编辑“︁AKMU”︁（章节）

== 演藝經歷 ==

=== 出道前：早期生活與《K-pop Star 2》 ===
{{Main|K-pop Star 2}}
[[File:KOCIS_Korea_President_Park_Culture_Day_Movie_(AKMU).jpg|link=https://en.wikipedia.org/wiki/File:KOCIS_Korea_President_Park_Culture_Day_Movie_(AKMU).jpg|left|thumb|樂童音樂家參加了由韓國文化信息服務中心（KOCIS）舉辦的「韓國總統文化日」活動，並與[[朴槿惠]]總統同台出席。]]
[[李燦赫]]與[[李秀賢]]在蒙古與其傳教士父母一起生活了五年，隨後返回韓國追求音樂夢想。<ref name="wsjplay">{{cite news |last1=Woo |first1=Jaeyeon |title=Akdong Musician Soar to Top the Charts With 'Play' |url=https://blogs.wsj.com/korearealtime/2014/04/08/akdong-musician-soar-to-top-the-charts-with-play/ |access-date=29 December 2014 |work=The Wall Street Journal |date=8 April 2014 |archive-date=17 June 2019 |archive-url=https://web.archive.org/web/20190617141404/https://blogs.wsj.com/korearealtime/2014/04/08/akdong-musician-soar-to-top-the-charts-with-play/ |url-status=dead}}</ref>在蒙古時期，家境貧困，他們無法負擔教育費用，因此只能[[在家自學]]。<ref>{{cite news |last1=Ock |first1=Hyun-ju |title=Akdong Musician talks about tough childhood |url=https://www.koreaherald.com/view.php?ud=20140708000900 |work=[[The Korea Herald]] |date=July 8, 2014 |access-date=January 7, 2015 |archive-date=December 6, 2022 |archive-url=https://web.archive.org/web/20221206003037/https://www.koreaherald.com/view.php?ud=20140708000900 |url-status=live}}</ref>對於學習深感無趣的他們，因而轉向音樂尋求樂趣。<ref>{{cite news |last1=Ng |first1=Gwendolyn |title=Siblings who make up Akdong Musician got into music because they were bored |url=https://www.straitstimes.com/lifestyle/entertainment/bored-siblings-go-into-music |work=[[The Straits Times]] |date=December 12, 2016 |access-date=May 7, 2017 |archive-date=December 7, 2023 |archive-url=https://web.archive.org/web/20231207191147/https://www.straitstimes.com/lifestyle/entertainment/bored-siblings-go-into-music |url-status=live}}</ref>燦赫學習了吉他，而秀賢則學習了鋼琴。

秀賢後來因簽證問題暫時回到韓國，<ref name=":103">{{cite news |last1=Lee |first1=Ji-young |script-title=ko:'토크몬' 악뮤 수현, #셀프성형 #몽골리안 #박서준[종합] |trans-title=AKMU's Suhyun on Talkmon, #Beauty #Mongolian #Park Seo-joon [comprehensive] |url=http://osen.mt.co.kr/article/G1110869658 |work=OSEN |date=April 3, 2018 |access-date=September 7, 2020 |archive-date=June 28, 2022 |archive-url=https://web.archive.org/web/20220628172537/http://osen.mt.co.kr/article/G1110869658 |url-status=live}}</ref>隨後燦赫也選擇回到韓國定居。<ref name=":103" />兄妹兩人以「樂童音樂家」為名，加入了一個名為「Proteurment」的校際業餘藝術家協會，該協會專門支持業餘音樂人。他們透過YouTube被發掘，<ref>{{cite news |last1=Kwon |first1=Ji-youn |title=Intercollegiate association supports amateur artists |url=https://www.koreatimes.co.kr/www/nation/2024/05/719_137030.html |work=[[The Korea Times]] |date=June 6, 2013 |access-date=May 26, 2024 |archive-date=May 27, 2024 |archive-url=https://web.archive.org/web/20240527063535/https://www.koreatimes.co.kr/www/nation/2024/05/719_137030.html |url-status=live}}</ref>並開始在不同舞台上表演，包括演唱一首原創歌曲〈Galaxy〉。<ref>{{cite web |url=http://www.ohmynews.com/NWS_Web/View/at_pg.aspx?CNTN_CD=A0001865810 |date=15 May 2013 |language=ko |last=Park |first=Jun-yong |script-title=ko:악동뮤지션 소속사는 아니지만 우리도 공연해요 |access-date=21 May 2013 |publisher=[[OhmyNews]] |archive-date=2014-03-02 |archive-url=https://web.archive.org/web/20140302015546/http://www.ohmynews.com/NWS_Web/View/at_pg.aspx?CNTN_CD=A0001865810 |dead-url=no }}</ref>

2012年8月，他們參加了在[[首爾綜合運動場]]舉行的《[[K-pop Star 2]]》的初選。<ref>{{cite web |url=https://www.starnewskorea.com/stview.php?no=2012080306591760655 |website=Star News |date=August 3, 2012 |language=ko |trans-title='K-Pop★ Season 2' Begins Local Auditions, Who Will Be the Next Park Jimin? |last=Yoon |first=Sang-geun |script-title=ko:'K팝★ 시즌2', 국내오디션 돌입..제2의 박지민은? |url-status=live |archive-url=https://web.archive.org/web/20240528153450/https://www.starnewskorea.com/stview.php?no=2012080306591760655 |archive-date=May 28, 2024 |access-date=May 12, 2013}}</ref>在首輪比賽中，他們演唱了[[Miss A]]的〈Breathe〉以及原創歌曲〈不要翹腳〉（Don't Cross Your Legs），<ref name=":14">{{cite web |url=https://www.newsen.com/news_view.php?uid=201211181804150610 |website=Newsen |date=November 18, 2012 |language=ko |trans-title=Akdong Musician's 'Don't Cross Your Legs' genius siblings appear, highly praised by judges with applause (K-Pop Star 2) |last=Kim |first=Mi-gyeom |script-title=ko:악동뮤지션 ‘다리꼬지마’ 천재남매 등장, 심사위원 박수세례 극찬(K팝스타2) |url-status=live |archive-url=https://web.archive.org/web/20240529025039/https://www.newsen.com/news_view.php?uid=201211181804150610 |archive-date=May 29, 2024 |access-date=May 12, 2013}}</ref>立刻獲得現場觀眾的喜愛。<ref name=":11">{{cite news |last1=Suh |first1=Hye-rim |title=YG signs Akdong Musician |url=https://www.koreaherald.com/view.php?ud=20130524000574 |work=[[The Korea Herald]] |date=May 24, 2013 |access-date=January 7, 2015 |archive-date=October 25, 2013 |archive-url=https://web.archive.org/web/20131025211930/http://www.koreaherald.com/view.php?ud=20130524000574 |url-status=live}}</ref>評審團的反應也十分熱烈，[[JYP娛樂]]製作人[[朴軫永]]稱讚兄妹之間的默契與表演技巧；[[寶兒]]則高度評價了他們歌曲的歌詞；而[[YG娛樂]]創辦人[[梁鉉錫]]則形容他們是「真正的藝術家」。<ref name=":14" />

最終，樂童音樂家贏得了比賽冠軍，獲得了3億[[韓圓]]（約818萬[[台幣]]）的獎金、一輛[[雷諾韓國汽車]]，<ref>{{cite news |author=Yonhap |title=K-Pop Stars get Renault Samsung sedans as prize |url=https://m-en.yna.co.kr/view/PYH20130417075500341? |work=[[Yonhap News Agency]] |date=April 17, 2013 |access-date=May 27, 2024 |archive-date=May 27, 2024 |archive-url=https://web.archive.org/web/20240527064135/https://m-en.yna.co.kr/view/PYH20130417075500341? |url-status=live}}</ref>並可以自由選擇與三大韓國娛樂公司之一簽約：[[SM娛樂]]、[[YG娛樂]]或[[JYP娛樂]]。<ref name=":12">{{cite news |last1=Baek |first1=Byung-yeul |title=Sibling duo tops K-Pop Star 2 |url=https://www.koreatimes.co.kr/www/art/2024/05/398_133555.html |work=[[The Korea Times]] |date=April 8, 2013 |access-date=May 26, 2024 |archive-date=May 27, 2024 |archive-url=https://web.archive.org/web/20240527055213/https://www.koreatimes.co.kr/www/art/2024/05/398_133555.html |url-status=live}}</ref>在經過將近兩個月的考慮後<ref name=":11" />，他們決定與[[YG娛樂]]簽訂獨家合約，<ref>{{cite news |last1=Park |first1=Jin-hai |title=YG Akdong Musicians to join hands with YG |url=https://www.koreatimes.co.kr/www/art/2024/05/398_136309.html |work=[[The Korea Times]] |date=May 24, 2013 |access-date=May 26, 2024 |archive-date=May 27, 2024 |archive-url=https://web.archive.org/web/20240527052146/https://www.koreatimes.co.kr/www/art/2024/05/398_136309.html |url-status=live}}</ref>認為YG娛樂最能支持他們的音樂創作。[[梁鉉錫]]承諾不會改變他們的獨特形象與音樂風格。<ref name=":11" />

在參加比賽期間，樂童音樂家憑藉演出的幾首歌曲取得了不俗的成績。2012年12月，他們的〈不要翹腳〉在[[Gaon單曲榜]]上排名第二，<ref name=":12" />後來的〈你很有魅力〉（You Are Attractive）甚至擊敗了耶誕歌曲，登上排行榜冠軍。<ref name=":12" />他們的其他作品如〈一個外國人的告白〉（A Foreigner's Confession）、〈Crescendo〉以及〈這是拉麵〉（It is Ramen）也展現了相當的音樂影響力。<ref name=":11" />

在簽約YG娛樂前的兩個月內，他們除了拍攝廣告，還為tvN電視劇《[[我戀愛的一切]]》演唱了歌曲〈I Love You〉，並陸續發行了幾首單曲。<ref>{{cite web |url=https://www.starnewskorea.com/stview.php?no=2013042415460459524 |work=Star News |date=April 24, 2013 |language=ko |trans-title=Akdong Musician Releases New Song, No. 1 on 7 Music Charts in 4 Hours |last1=Lee |first1=Ji-hyun |script-title=ko:악동뮤지션, 자작신곡 공개4시간만 7개음원차트 1위 |url-status=live |archive-url=https://web.archive.org/web/20240529080606/https://www.starnewskorea.com/stview.php?no=2013042415460459524 |archive-date=May 29, 2024 |access-date=May 29, 2024 |via=}}</ref>

=== 2014–2018年：出道、《思春記》系列與入伍 ===
[[File:14.11.18 멜론 뮤직 어워드 시상 및 수상.jpg|262px|thumb|right|upright|樂童音樂家出席2014年[[甜瓜音樂獎]]。]]

樂童音樂家在贏得《[[K-pop Star 2]]》（2012–2013年）冠軍的十二個月後，於2014年4月7日發行首張正規專輯《{{tsl|en|Play (AKMU album)|Play (AKMU專輯)|Play}}》正式出道。<ref name=wsjplay/> 該專輯透過三首主打歌進行宣傳：由[[梁玄錫]]選定的〈200%〉、由兄妹倆親自挑選的〈Melted〉（冰塊們），以及根據其他收錄曲的排行榜成績，由大眾票選決定的第三首主打。<ref name=":6">{{cite magazine|last1=Benjamin|first1=Jeff|title=Akdong Musician Remain Lovesick Quirksters in 'Give Love' Video: Watch|url=https://www.billboard.com/music/music-news/akdong-musician-remain-lovesick-quirksters-in-give-love-video-watch-6077418/|magazine=[[Billboard (magazine)|Billboard]]|date=May 5, 2014|access-date=May 21, 2024|archive-date=March 28, 2023|archive-url=https://web.archive.org/web/20230328051755/https://www.billboard.com/music/music-news/akdong-musician-remain-lovesick-quirksters-in-give-love-video-watch-6077418/|url-status=live}}</ref> 〈Give Love〉分別在Gaon數位榜和《告示牌》韓國流行音樂百大單曲榜上最高排名第四和第三，成為第三首主打歌。<ref name=":6"/> 〈200%〉在前述榜單上連續兩週奪冠，<ref>{{cite web|last1=Yoon|first1=Sung-yeol|url=https://www.starnewskorea.com/stview.php?no=2014042308522632849|script-title=ko:악동뮤지션 '200%', 2주연속 5개 주간 음원차트 1위|trans-title=Akdong Musician's '200%' Tops 5 Weekly Music Charts for 2 Consecutive Weeks|work=[[Star News (South Korea)|Star News]]|via=|date=April 21, 2014|access-date=May 22, 2024|language=ko|archive-date=May 23, 2024|archive-url=https://web.archive.org/web/20240523042914/https://www.starnewskorea.com/stview.php?no=2014042308522632849|url-status=live}}</ref><ref>{{cite magazine|last1=Benjamin|first1=Jeff|title=Akdong Musician on Debut Album, Working as Siblings & Overseas Reactions (Video Q&A)|url=https://www.billboard.com/music/music-news/akdong-musician-interview-video-interview-play-200-siblings-covers-6114088/|magazine=[[Billboard (magazine)|Billboard]]|date=June 18, 2014|access-date=May 22, 2024|archive-date=March 12, 2024|archive-url=https://web.archive.org/web/20240312050831/https://www.billboard.com/music/music-news/akdong-musician-interview-video-interview-play-200-siblings-covers-6114088/|url-status=live}}</ref> 而〈Melted〉則分別最高排名第五和第八。這兩首主打歌也登上了[[世界單曲暢銷榜|美國世界數位單曲榜]]，分別位居第五名和第二十一名，為兩人首次進入該榜單。 《Play》全碟由李燦赫包辦詞曲創作與製作，<ref>{{cite news|last1=Jin|first1=Eun-soo|title=Akdong Musician releases debut|url=https://koreajoongangdaily.joins.com/news/article/article.aspx?aid=2987576|work=[[Korea JoongAng Daily]]|date=April 7, 2014|access-date=December 29, 2014|archive-date=December 15, 2014|archive-url=https://web.archive.org/web/20141215144013/http://koreajoongangdaily.joins.com/news/article/Article.aspx?aid=2987576|url-status=live}}</ref> 登上了Gaon專輯榜冠軍，<ref>{{cite news|last1=Park|first1=Mi-ae|url=https://www.edaily.co.kr/news/read?newsId=01312006606057104&mediaCodeNo=258|script-title=ko:악동뮤지션, 가온 4월3주차 음반-음원 1위|trans-title=Akdong Musician, #1 on Gaon's Album and Music Charts in the 3rd Week of April|work=[[Edaily]]|date=April 17, 2014|access-date=May 22, 2024|language=ko|archive-date=May 22, 2024|archive-url=https://web.archive.org/web/20240522094602/https://www.edaily.co.kr/news/read?newsId=01312006606057104&mediaCodeNo=258|url-status=live}}</ref> 並在[[告示牌榜單#專輯|美國世界專輯榜]]上位居第二，<ref>{{cite news|last=Chung|first=Ah-young|title=AKMU's album ranks second on Billboard|url=https://koreatimes.co.kr/www/news/culture/2014/04/135_155636.html|newspaper=[[The Korea Times]]|date=April 18, 2024|access-date=April 20, 2014|archive-date=June 4, 2023|archive-url=https://web.archive.org/web/20230604014232/http://koreatimes.co.kr/www/news/culture/2014/04/135_155636.html|url-status=live}}</ref> 於《告示牌》{{tsl|en|Heatseekers charts|熱門潛力榜|熱門潛力專輯榜}}排名第二十位。<ref>{{cite news|last1=Benjamin|first1=Jeff|title=Akdong Musician Rules K-Pop Hot 100 With Debut Album 'Play'|url=https://www.billboard.com/pro/akdong-musician-rules-k-pop-hot-100-with-debut-album-play/|work=Billboard K-Town|publisher=[[Billboard (magazine)|Billboard]]|date=April 22, 2014|access-date=December 29, 2014|archive-date=December 6, 2021|archive-url=https://web.archive.org/web/20211206213716/https://www.billboard.com/pro/akdong-musician-rules-k-pop-hot-100-with-debut-album-play/|url-status=live}}</ref><ref>{{cite magazine|last1=Benjamin|first1=Jeff|title=19. Akdong Musician: 21 Under 21 (2014)|url=https://www.billboard.com/music/music-news/akdong-musician-21-under-21-2014-6251191/|magazine=[[Billboard (magazine)|Billboard]]|date=November 9, 2014|access-date=December 29, 2014|archive-date=January 15, 2023|archive-url=https://web.archive.org/web/20230115130428/https://www.billboard.com/music/music-news/akdong-musician-21-under-21-2014-6251191/|url-status=live}}</ref> 在[[世越號沉沒事故]]發生後，兄妹倆暫停了宣傳活動。<ref>{{cite web|last1=Yoon|first1=Sung-yeol|url=https://www.starnewskorea.com/stview.php?no=2014042308483008582|script-title=ko:'활동중단·연기' 가수들, 지금 뭐할까..외출도 자제|trans-title=What Should Singers Who "Suspend and Postpone Their Activities" Do Now? Refrain From Going Out|work=[[Star News (South Korea)|Star News]]|via=|date=April 23, 2014|access-date=May 22, 2024|language=ko|archive-date=May 23, 2024|archive-url=https://web.archive.org/web/20240523042601/https://www.starnewskorea.com/stview.php?no=2014042308483008582|url-status=live}}</ref> 他們將單曲〈200%〉獻給罹難者及其家屬，<ref>{{cite web|last1=Chung|first1=Joo-won|title=AKMU tops Melon chart for 5 weeks, ventilates appearance-prevailing K-pop scene|url=https://www.koreaherald.com/view.php?ud=20140513001281|website=[[The Korea Herald]]|date=May 13, 2014|access-date=May 27, 2024|archive-date=September 16, 2019|archive-url=https://web.archive.org/web/20190916082713/http://www.koreaherald.com/view.php?ud=20140513001281|url-status=live}}</ref> 並在2014年5月2日發行的〈Give Love〉音樂錄影帶中加入黃絲帶畫面致哀。<ref>{{cite web|last1=Sohn|first1=Ji-young|title=Akdong Musician releases 'Give Love' MV|url=https://www.koreaherald.com/view.php?ud=20140502000863|website=[[The Korea Herald]]|date=August 8, 2014|access-date=May 22, 2024|archive-date=January 4, 2023|archive-url=https://web.archive.org/web/20230104093532/https://www.koreaherald.com/view.php?ud=20140502000863|url-status=live}}</ref> 原本為出道專輯所創作的<ref>{{cite news|author1=Ahn Sung-mi|title=Akdong Musician makes chart-topping comeback|url=http://www.koreaherald.com/view.php?ud=20141010000718|access-date=7 January 2015|work=[[The Korea Herald]]|date=10 October 2014}}</ref> 原聲民謠單曲〈Time and Fallen Leaves〉（{{lang|ko|시간과 낙엽}}，時間與落葉）推遲至同年10月10日發行，並在發行後的第二週登上Gaon數位榜冠軍。<ref>{{cite news|author1=Ock Hyun-ju|title=Akdong Musician tops music charts for 3rd day|url=http://www.kpopherald.com/view.php?ud=201410121523106233947_2|access-date=7 January 2015|work=[[Kpop Herald]]|date=12 October 2014}}</ref><ref>{{cite web|last1=Jeon|first1=Won|url=https://www.mydaily.co.kr/page/view/2014102310203901130|script-title=ko:악동뮤지션 '시간과낙엽' 가온차트 차트 1위 '3관왕'|trans-title=Akdong Musician's 'Time and Fallen Leaves' Tops 3 Charts of Gaon Chart|work=[[MyDaily]]|via=|date=October 23, 2014|access-date=May 22, 2024|language=ko|archive-date=May 23, 2024|archive-url=https://web.archive.org/web/20240523025922/https://www.mydaily.co.kr/page/view/2014102310203901130|url-status=live}}</ref> 該單曲並未拍攝音樂錄影帶。<ref>{{cite news|last1=Benjamin|first1=Jeff|title=Akdong Musician Drop Stunning, String-Laden 'Time and Fallen Leaves' Single|url=https://www.billboard.com/music/music-news/akdong-musician-drop-stunning-string-laden-time-and-fallen-leaves-6281345/|work=Billboard K-Town|publisher=[[Billboard (magazine)|Billboard]]|date=October 9, 2014|access-date=January 7, 2015|archive-date=January 29, 2023|archive-url=https://web.archive.org/web/20230129130142/https://www.billboard.com/music/music-news/akdong-musician-drop-stunning-string-laden-time-and-fallen-leaves-6281345/|url-status=live}}</ref> 2014年11月，樂童音樂家以[[首爾]]為起點，展開名為「AKMU Camp」的全國巡迴演唱會。<ref>{{cite web|last1=Seon|first1=Mi-Kyung|url=http://www.osen.co.kr/article/G1110013556|script-title=ko:악동뮤지션, 오늘 첫 투어콘서트 시작..아이유-이하이 게스트 출격|trans-title=Akdong Musician Begins Their First Concert Tour Today, IU and Lee Hi Appears as Guests|work=[[OSEN (newspaper)|OSEN]]|via=|date=November 21, 2014|access-date=May 22, 2024|language=ko|archive-date=May 23, 2024|archive-url=https://web.archive.org/web/20240523024343/http://www.osen.co.kr/article/G1110013556|url-status=live}}</ref>

[[File:160505 악동뮤지션 1.jpg|262px|thumb|left|upright|這對兄妹組合於2016年5月在[[首爾森林]]表演。]]

2016年5月4日，樂童音樂家發行首張[[EP]]《[[思春記 上|Spring]]》，<ref name=":3">{{cite web|last1=Doo|first1=Rumy|title=Akdong Musician stays shrewdly innocent|url=https://www.koreaherald.com/view.php?ud=20160512000738|website=[[The Korea Herald]]|date=May 12, 2016|access-date=May 19, 2024|archive-date=July 11, 2016|archive-url=https://web.archive.org/web/20160711074256/http://www.koreaherald.com/view.php?ud=20160512000738|url-status=live}}</ref> 為《思春記》二部曲系列的首部作品。<ref name=":4">{{cite web|last1=Kim|first1=Jae-heun|title=AKMU sings adolescence in new album|url=https://www.koreatimes.co.kr/www/art/2024/04/398_204836.html|website=[[The Korea Times]]|date=May 16, 2016|access-date=May 19, 2024|archive-date=May 19, 2024|archive-url=https://web.archive.org/web/20240519055251/https://www.koreatimes.co.kr/www/art/2024/04/398_204836.html|url-status=live}}</ref> 該專輯以〈Re-Bye〉和〈How People Move〉（{{lang|ko|사람들이 움직이는 게}}，人們移動著）兩首主打歌進行宣傳，主題圍繞著青春期，<ref name=":3"/> 其中的六首收錄曲靈感來自兩人在蒙古生活五年期間的歲月。<ref name=":4"/> 專輯發行後，歌曲進入韓國與海外音樂榜單前十名，<ref>{{cite magazine|last1=Herman|first1=Tamar|title=Akdong Musician 'Spring' Into Action, Plus 7 Essential K-Pop Songs for the Season|url=https://www.billboard.com/music/music-news/akdong-musician-springk-pop-songs-season-7357846/|magazine=[[Billboard (magazine)|Billboard]]|date=May 5, 2016|access-date=May 20, 2024|archive-date=October 1, 2022|archive-url=https://web.archive.org/web/20221001145936/https://www.billboard.com/music/music-news/akdong-musician-springk-pop-songs-season-7357846/|url-status=live}}</ref> 其中〈Re-Bye〉獲得Gaon數位榜冠軍。<ref>{{cite web|last1=Jeon|first1=Hyo-jin|url=https://sports.donga.com/3/all/20160512/78068833/2|script-title=ko:악동뮤지션 'RE-BYE', 가온차트 2관왕|trans-title=Akdong Musician's 'Re-Bye' Tops 2 Times on Gaon Chart|work=Sports Donga|via=|date=May 12, 2016|access-date=May 20, 2024|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521032401/https://sports.donga.com/3/all/20160512/78068833/2|url-status=live}}</ref> 《[[告示牌 (雜誌)|告示牌]]》將《Spring》評為年度最佳K-pop專輯第四名。<ref>{{cite web|last1=Benjamin|first1=Jeff|title=10 Best K-Pop Albums of 2016: Critic's Picks|url=http://www.billboard.com/articles/events/year-in-music-2016/7633026/best-kpop-albums-2016-critics-picks|work=Billboard K-Town|publisher=[[Billboard (magazine)|Billboard]]|date=December 22, 2016|access-date=December 26, 2016|archive-date=January 19, 2024|archive-url=https://web.archive.org/web/20240119234248/https://www.billboard.com/music/music-news/best-kpop-albums-2016-critics-picks-7633026/|url-status=live}}</ref> 宣傳期間，兩人在[[兒童節 (韓國)|兒童節]]當天於[[首爾森林]]進行表演，現場約有一萬名觀眾，[[V Live]]直播約十萬名觀眾同步觀看，<ref>{{cite web|last1=Ko|first1=Dong-hwan|title='Acoustic' the new K-pop|url=https://www.koreatimes.co.kr/www/news/culture/2016/12/201_204233.html|website=[[The Korea Times]]|date=May 8, 2016|access-date=May 19, 2024|archive-date=October 7, 2022|archive-url=https://web.archive.org/web/20221007000823/http://www.koreatimes.co.kr/www/news/culture/2016/12/201_204233.html|url-status=live}}</ref><ref>{{cite news|last1=Jo|first1=Eun-hye|url=https://www.xportsnews.com/article/727841|script-title=ko:악동뮤지션, 청음회 메이킹 공개 "꽃길만 걸읍시다"|trans-title=Akdong Musician Reveals Listening Session Making, "Let's Only Walk on the Flower Path"|work=Xports News|date=May 25, 2016|access-date=May 23, 2024|language=ko|archive-date=May 24, 2024|archive-url=https://web.archive.org/web/20240524000334/https://www.xportsnews.com/article/727841|url-status=live}}</ref> 隨後在[[台北]]、[[新加坡]]、[[吉隆坡]]與[[上海]]舉行Showcase。<ref>{{cite web|last1=Ahn|first1=Woorim|title=AKMU Continues Its Showcase in Malaysia|url=https://sg.style.yahoo.com/akmu-continues-its-showcase-in-malaysia-090222019.html|work=BNT News|via=Yahoo! Lifestyle Singapore|date=December 18, 2016|access-date=December 24, 2016|archive-date=October 2, 2022|archive-url=https://web.archive.org/web/20221002010046/https://sg.style.yahoo.com/akmu-continues-its-showcase-in-malaysia-090222019.html|url-status=dead}}</ref> 在[[元旦]]當天，他們發佈微電影《Spring of Winter》（冬天的春日），為第二張季節主題專輯《[[思春記 下|Winter]]》（2017年）預熱；<ref name=":7"/> 電影中，新專輯的歌曲作為配樂穿插其中。<ref>{{cite web|last1=Herman|first1=Tamar|title= Akdong Musician Breaks Up (But Makes Amends) In 22-Minute Musical Film|url=https://www.billboard.com/music/music-news/akdong-musician-spring-of-winter-film-7640764/|work=Billboard K-Town|publisher=[[Billboard (magazine)|Billboard]]|date=January 3, 2017|access-date=June 23, 2018|archive-date=October 13, 2023|archive-url=https://web.archive.org/web/20231013061349/https://www.billboard.com/music/music-news/akdong-musician-spring-of-winter-film-7640764/|url-status=live}}</ref> 兩天後，他們發行[[思春記 下|第二張正規專輯]]。<ref name=":7">{{cite web|last1=Chung|first1=Jin-hong|title= Akdong Musician returns on top|url=http://koreajoongangdaily.joins.com/news/article/article.aspx?aid=3028218|work=[[Korea JoongAng Daily]]|date=January 4, 2017|access-date=January 8, 2017|archive-date=October 7, 2022|archive-url=https://web.archive.org/web/20221007000819/https://koreajoongangdaily.joins.com/news/article/article.aspx?aid=3028218|url-status=live}}</ref> 專輯主打歌〈Last Goodbye〉（{{lang|ko|오랜 날 오랜 밤}}，漫長的日與夜）<ref name=":9">{{cite web|last1=Jie|first1=Ye-eun|title=AKMU tops music charts with 'Winter'|url=https://kpopherald.koreaherald.com/view.php?ud=201701041721233469004_2|website=[[The Korea Herald]]|date=January 4, 2017|access-date=May 23, 2024|archive-date=October 18, 2020|archive-url=https://web.archive.org/web/20201018220234/http://kpopherald.koreaherald.com/view.php?ud=201701041721233469004_2|url-status=live}}</ref> 成為該年度上半年銷量第二高的歌曲，<ref>{{cite web |url=http://gaonchart.co.kr/main/section/chart/total.gaon?serviceGbn=S1020 |script-title=ko:2017년 상반기 결산 DIGITAL CHART |access-date=16 July 2017 |work=Gaon Digital Chart |archive-url=https://web.archive.org/web/20170708161819/http://gaonchart.co.kr/main/section/chart/total.gaon?serviceGbn=S1020 |archive-date=8 July 2017 |url-status=dead |df=dmy-all }}</ref> 在全年總結中排名第四。<ref>{{cite news|last1=Lee|first1=Jae-hoon|url=https://m.entertain.naver.com/article/312/0000298852|script-title=ko:에일리 '첫눈처럼 너에게 가겠다', 가온차트 2017년 결산 3관왕|trans-title=Ailee's 'I Will Go to You Like the First Snow' Tops 3 Gaon Charts in 2017|work=Ten Asia|via=[[Naver]]|date=December 18, 2017|access-date=May 21, 2024|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521043900/https://m.entertain.naver.com/article/312/0000298852|url-status=live}}</ref> 該曲同時是2017年十二首突破一億次串流播放量的單曲之一，<ref>{{cite news|last1=Lee|first1=Jae-hoon|url=https://www.newsis.com/view/?id=NISX20180112_0000201709&cID=10601&pID=10600|script-title=ko:2017년 1억 스트리밍 12곡…도깨비 OST '첫눈처럼…' 1위|trans-title=12 Songs Reach 100 Million Streams in 2017, Goblin's OST 'I Will Go to You Like the First Snow' Ranks 1st|work=[[Newsis]]|date=January 12, 2018|access-date=May 21, 2024|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521043407/https://www.newsis.com/view/?id=NISX20180112_0000201709&cID=10601&pID=10600|url-status=live}}</ref> 並在第七屆[[Gaon Chart Music Awards]]獲得年度歌曲（一月），以及第31屆金唱片獎音源本賞。<ref>{{cite news|last1=Jeon|first1=Ah-ram|url=https://www.xportsnews.com/article/943095|script-title=ko:[2018 가온차트] 악동뮤지션·트와이스·아이유, 올해의 가수 음원부문 수상|trans-title=[2018 Gaon Chart] Akdong Musician, Twice, and IU Wins Artist of the Year (Digital Category)|work=Xports News|date=February 14, 2018|access-date=May 21, 2024|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521042528/https://www.xportsnews.com/article/943095|url-status=live}}</ref><ref>{{cite news|last1=Lee|first1=Jeong-ho|url=https://www.starnewskorea.com/stview.php?no=2018011017582170133|script-title=ko:볼빨간사춘기·악동뮤지션 골든디스크 본상 수상.."오빠 보고있어?"|trans-title=BOL4 and Akdong Musician Win Golden Disc's Main Award: "Oppa, Are You Watching?"|work=[[Star News (South Korea)|Star News]]|date=January 10, 2018|access-date=September 27, 2019|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521040255/https://www.starnewskorea.com/stview.php?no=2018011017582170133|url-status=live}}</ref> 第二首主打歌〈Reality〉（{{lang|ko|리얼리티}}，現實）<ref name=":9"/>透過《[[我的小電視]]》直播由觀眾票選決定。隨後，兩人展開「AKMU Diary」巡迴演唱會，在全國七座城市舉行，包含從3月23日開始於首爾舉辦的八場場次。<ref>{{cite web |url=http://www.yg-life.com/archives/86452?lang=en|title=AKMU concert "Diary" will be held nationwide|date=14 March 2017|work=YG Life|publisher=YG Entertainment}}</ref><ref>{{cite web|last1=Kim|first1=So-young|title=AKMU wraps up Seoul concerts|url=https://kpopherald.koreaherald.com/view.php?ud=201704031630115559729_2|website=[[The Korea Herald]]|date=April 3, 2017|access-date=May 20, 2024|archive-date=October 6, 2022|archive-url=https://web.archive.org/web/20221006190957/https://kpopherald.koreaherald.com/view.php?ud=201704031630115559729_2|url-status=live}}</ref>

2017年7月20日，他們發行首張單曲專輯《[[Summer Episode]]》，曲風包含[[電子舞曲|EDM]]，<ref>{{cite web|last1=Hong|first1=Dam-young|title=[V Report Plus] Akdong Musician seeks musical change through 'Dinosaur'|url=https://kpopherald.koreaherald.com/view.php?ud=201707231751466413060_2|website=[[The Korea Herald]]|date=July 23, 2017|access-date=May 20, 2024|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521003958/https://kpopherald.koreaherald.com/view.php?ud=201707231751466413060_2|url-status=live}}</ref> 主打歌為〈Dinosaur〉和〈My Darling〉。<ref>{{cite web|last1=Kang|first1=Seo-jeong|url=http://www.osen.co.kr/article/G1110692602|script-title=ko:[美친차트] 악동뮤지션, 이번에도 롱런? '다이노소어' 4곳 1위|trans-title=[Crazy Chart] Akdong Musician's Long Run Again? 'Dinosaur' Ranked 1st on 4 Charts|work=[[OSEN (newspaper)|OSEN]]|via=|date=July 21, 2017|access-date=May 20, 2024|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521012432/http://www.osen.co.kr/article/G1110692602|url-status=live}}</ref> 〈Dinosaur〉以兄妹倆的童年經歷為創作背景，<ref>{{cite magazine|last1=Herman|first1=Tamar|title=The Best K-pop Songs of 2017: Critics' Picks|url=https://www.billboard.com/music/music-news/best-k-pop-songs-of-2017-top-20-8070355/|magazine=[[Billboard (magazine)|Billboard]]|date=December 14, 2017|access-date=May 20, 2024|archive-date=January 11, 2024|archive-url=https://web.archive.org/web/20240111013234/https://www.billboard.com/music/music-news/best-k-pop-songs-of-2017-top-20-8070355/|url-status=live}}</ref> 最高登上Gaon數位榜第六名、<ref>{{cite web|title=Digital Chart [Week 30 of 2017]|url=https://circlechart.co.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=30&hitYear=2017&termGbn=week&yearTime=3|publisher=[[Korea Music Content Association]]|language=ko|date=July 23–29, 2017|access-date=May 26, 2024|archive-date=May 26, 2024|archive-url=https://web.archive.org/web/20240526082210/https://circlechart.co.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=30&hitYear=2017&termGbn=week&yearTime=3|url-status=live}}</ref> 美國世界單曲暢銷榜第九名，<ref>{{cite magazine|author=Billboard|title=World Digital Song Sales: The Week of August 12, 2017|url=https://www.billboard.com/charts/world-digital-song-sales/2017-08-12|magazine=[[Billboard (magazine)|Billboard]]|date=August 12, 2017|access-date=May 20, 2024|archive-date=December 10, 2019|archive-url=https://web.archive.org/web/20191210192226/https://www.billboard.com/charts/world-digital-song-sales/2017-08-12|url-status=dead}}</ref> 並在發行六年後重新入榜。<ref>{{cite web|title=Digital Chart [Week 35 of 2023]|url=https://circlechart.co.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=35&hitYear=2023&termGbn=week&yearTime=3|publisher=[[Korea Music Content Association]]|language=ko|date=August 27 – September 2, 2023|access-date=May 26, 2024|archive-date=May 26, 2024|archive-url=https://web.archive.org/web/20240526083041/https://circlechart.co.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=35&hitYear=2023&termGbn=week&yearTime=3|url-status=live}}</ref> 《Summer Episode》是李燦赫於9月18日自願入伍[[大韓民國海軍陸戰隊]]（進入[[慶尚北道]][[浦項市]]訓練中心）前，該組合的最後一張發行作品。<ref>{{cite web|author=SBS Star|title=[SBS Star] AKMU's Chanhyuk to Enlist in the Military This Month|url=https://news.sbs.co.kr/news/endPage.do?news_id=N1004392360|website=[[Seoul Broadcasting System]]|date=September 13, 2017|access-date=May 20, 2024|archive-date=September 21, 2023|archive-url=https://web.archive.org/web/20230921183521/https://news.sbs.co.kr/news/endPage.do?news_id=N1004392360|url-status=live}}</ref><ref>{{cite web|last1=Ko|first1=Dong-hwan|title=Prodigy K-pop composer enlists Marine Corps|url=https://www.koreatimes.co.kr/www/art/2024/05/398_236637.html|website=[[The Korea Times]]|date=September 18, 2017|access-date=May 20, 2024|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520034904/https://www.koreatimes.co.kr/www/art/2024/05/398_236637.html|url-status=live}}</ref> 服役期間，他完成了《{{tsl|en|Sailing (album)|航海 (專輯)|Sailing}}》（2019年）專輯中大部分歌曲的創作。<ref>{{cite web|last1=Dong|first1=Sun-hwa|title=AKMU releases songs written by Chan-hyuk at sea during days as marine|url=https://www.koreatimes.co.kr/www/art/2024/05/398_276219.html|website=[[The Korea Times]]|date=September 26, 2019|access-date=May 20, 2024|archive-date=May 19, 2024|archive-url=https://web.archive.org/web/20240519011050/https://www.koreatimes.co.kr/www/art/2024/05/398_276219.html|url-status=live}}</ref> 李燦赫於2019年5月29日退伍，樂童音樂家的活動隨之重啟。<ref>{{cite web|last1=Kelly|first1=Emma|title=Akdong Musician's Chanhyuk completes military service after two years in marine corps|url=https://metro.co.uk/2019/05/29/akdong-musicians-chanhyuk-completes-military-service-two-years-marine-corps-9720732/|website=[[Metro (British newspaper)|Metro]]|date=May 29, 2019|access-date=May 29, 2019|archive-date=October 5, 2022|archive-url=https://web.archive.org/web/20221005235727/https://metro.co.uk/2019/05/29/akdong-musicians-chanhyuk-completes-military-service-two-years-marine-corps-9720732/|url-status=live}}</ref>

=== 2019–2022年：《航海》與持續的成功 ===
經歷兩年空白期後，<ref name=":1">{{cite web|last1=Yim|first1=Hyun-su|title=AKMU breaks away from 'bubbly' image after two-year hiatus|url=https://kpopherald.koreaherald.com/view.php?ud=201909251607049257800_2|website=[[The Korea Herald]]|date=September 25, 2019|access-date=May 18, 2024|archive-date=September 24, 2023|archive-url=https://web.archive.org/web/20230924004734/https://kpopherald.koreaherald.com/view.php?ud=201909251607049257800_2|url-status=live}}</ref> 兩人決定將官方英文名稱統一使用「AKMU」。<ref name=":2">{{cite magazine|last1=Herman|first1=Tamar|title=AKMU Return With Album 'Sailing', Poginant Music Video 'How Can I Love the Heartbreak, You're the One I Love'|url=https://www.billboard.com/music/music-news/akmu-return-sailing-how-can-i-love-the-heartbreak-8531405/|magazine=[[Billboard (magazine)|Billboard]]|date=September 25, 2021|access-date=May 18, 2024|archive-date=February 9, 2023|archive-url=https://web.archive.org/web/20230209003422/https://www.billboard.com/music/music-news/akmu-return-sailing-how-can-i-love-the-heartbreak-8531405/|url-status=live}}</ref> 2019年9月25日，發行第三張正規專輯《{{tsl|en|Sailing (album)|航海 (專輯)|Sailing}}》。主打歌〈How Can I Love the Heartbreak, You're the One I Love〉（{{lang|ko|어떻게 이별까지 사랑하겠어, 널 사랑하는 거지}}，如何連心痛都愛著，你是我的愛）<ref name=":2"/> 最初於2017年的Someday Festival上表演。<ref name=":1"/> 該曲在10月份登上[[Gaon單曲榜|Gaon數位榜]]榜首，<ref>{{cite news |date=7 November 2019 |title=[DA:차트] 악뮤, 10월 가온차트 3관왕…슈퍼주니어 앨범 1위 |trans-title=[DA: Chart] AKMU won three awards in Gaon Chart in October...SUPER JUNIOR's album number one |work=Sports Dongha |url=http://sports.donga.com/3/all/20191107/98252395/1 |access-date=7 November 2019}}</ref> 並在[[Melon|串流音樂平台]]Melon上連續一個多月位居第一，創下該榜單當時的最長紀錄，<ref>{{cite web|last1=Kim|first1=Yeon-ah|title=Sibling duo Akdong Musician to release new song next month|url=https://koreajoongangdaily.joins.com/2020/08/11/entertainment/kpop/AKMU-Lee-Chanhyuk-Lee-Suhyun/20200811153104846.html|website=[[Korea JoongAng Daily]]|date=August 11, 2020|access-date=May 18, 2024|archive-date=April 25, 2024|archive-url=https://web.archive.org/web/20240425123657/https://koreajoongangdaily.joins.com/2020/08/11/entertainment/kpop/AKMU-Lee-Chanhyuk-Lee-Suhyun/20200811153104846.html|url-status=live}}</ref> 且在發行後一年兩個月內維持在榜單前十名。<ref>{{cite web|last1=Lee|first1=Seung-hoon|url=http://www.osen.co.kr/article/G1111474646|script-title=ko:"역시 믿듣"..AKMU, 'Happening' 음원차트 1위 점령→독보적 감성 '호평' [공식]|trans-title="Trust and Listen", AKMU's 'Happening' Tops Music Charts→Positive Reviews on Unrivaled Emotions [Official]|work=[[OSEN (newspaper)|OSEN]]|via=|date=November 17, 2020|access-date=May 20, 2024|language=ko|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520082617/http://www.osen.co.kr/article/G1111474646|url-status=live}}</ref> 該曲下載量達250萬次，獲得[[韓國音樂內容協會]]下載白金認證與串流媒體三白金認證。<ref>{{cite web|last1=Park|first1=Dong-je|url=https://www.breaknews.com/937487|script-title=ko:11월 써클차트, 윤하·임영웅·르세라핌·ITZY(있지) 활약..각종 부문 1위 차지|trans-title=
November Circle Chart: Younha, Lim Young-woong, Le Sserafim, and Itzy Chart No. 1 in Various Categories|work=Break News|via=|date=December 8, 2022|access-date=May 20, 2024|language=ko|archive-date=May 21, 2024|archive-url=https://web.archive.org/web/20240521063533/https://www.breaknews.com/937487|url-status=live}}</ref> 並在第九屆[[Gaon Chart Music Awards]]獲得年度歌手獎（九月），於[[第34屆金唱片獎]]獲得音源本賞。<ref>{{cite web|last1=Park|first1=Dong-seon|url=http://www.rpm9.com/news/article.html?id=20200108090016|script-title=ko:[2020 가온차트 어워즈] 악동뮤지션·MC몽·아이유, 9~11월 '올해의 가수상' 수상|trans-title=[2020 Gaon Chart Awards] Akdong Musician, MC Mong, and IU Win 'Artist of the Year' from September to November|work=RPM9|via=|date=January 8, 2020|access-date=May 20, 2024|language=ko|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520101228/http://www.rpm9.com/news/article.html?id=20200108090016|url-status=live}}</ref><ref>{{cite web|last1=Park|first1=Kyung-hee|url=https://www.slist.kr/news/articleView.html?idxno=125551|script-title=ko:[2020 골든디스크] ITZY·악동뮤지션, 본상 수상 "예상 못했던 값진|trans-title=
[2020 Golden Disc] Itzy and Akdong Musician Win the Bonsang Award, "An Unexpected and Valuable Award"|work=Single List|via=|date=January 4, 2020|access-date=May 20, 2024|language=ko|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520102204/https://www.slist.kr/news/articleView.html?idxno=125551|url-status=live}}</ref> 此外，專輯收錄了李秀賢首次參與編曲的歌曲〈Farewell〉（{{lang|ko|작별 인사}}，道別），為她首次在團隊作品中獲得創作署名。<ref>{{cite news |date=17 September 2019 |script-title=ko:악동뮤지션, '항해' 트랙리스트 공개..이찬혁 전곡 작사·작곡 |trans-title=Akdong Musician's tracklist for "Sailing" is released..Lee Chanhyuk wrote and composed all the songs |work=[[Star News (South Korea)|Star News]] |url=http://star.mt.co.kr/stview.php?no=2019091710220369120 |access-date=17 September 2019}}</ref> 為紀念發行，AKMU於9月29日在[[漢江公園|汝矣島漢江公園]]舉辦游擊公演，現場聚集約三萬人。<ref>{{cite web|last1=Cho|first1=Haemin|title=AKMU announces first tour in two years|url=https://www.koreatimes.co.kr/www/art/2024/05/398_276419.html|website=[[The Korea Times]]|date=September 30, 2019|access-date=May 18, 2024|archive-date=May 19, 2024|archive-url=https://web.archive.org/web/20240519013322/https://www.koreatimes.co.kr/www/art/2024/05/398_276419.html|url-status=live}}</ref><ref>{{cite web|last1=Ji|first1=Min-Kyung|url=http://osen.mt.co.kr/article/G1111232134|script-title=ko:"3만 관객 운집" 악동뮤지션, 가을밤 감성으로 물들인 한강 청음회 (종합)[Oh!쎈 현장]|trans-title=Akdong Musician Gathers 30,000 Audience, Han River Listening Party Colored with Autumn Night Emotions (comprehensive) [Oh!Sen Site]|work=[[OSEN (newspaper)|OSEN]]|via=|date=September 29, 2019|access-date=September 30, 2019|language=ko|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520081042/http://www.osen.co.kr/article/G1111232134|url-status=live}}</ref> 2020年11月16日，<ref>{{cite web|author=[[Yonhap]]|title=Born-to-sing sibling duo AKMU keeps evolving in new single|url=https://www.koreaherald.com/view.php?ud=20230821000651|website=[[The Korea Herald]]|date=November 16, 2020|access-date=May 17, 2024|archive-date=July 18, 2021|archive-url=https://web.archive.org/web/20210718235837/http://www.koreaherald.com/view.php?ud=20201116000989|url-status=live}}</ref> 他們發行數位單曲〈Happening〉。<ref>{{cite web |date=November 16, 2020 |script-title=ko:"공감해주길"...짙은 감성 선사할 악뮤의 '해프닝' (종합) |trans-title="Please understand"...AKMU's "Happening" (Roundup) that will give you deep emotions |url=https://entertain.naver.com/read?oid=052&aid=0001514667 |website=[[YTN]]}}</ref>

[[File:AKMU Marie Claire Korea 2021.jpg|262px|thumb|right|upright|AKMU於2021年8月為《[[美麗佳人|韓國美麗佳人]]》拍攝的畫報。]]

與[[YG娛樂]]的七年合約到期後，兩人續約五年。<ref>{{cite web|last1=Lee|first1=Minji|title=Sibling duo AKMU renews contract with YG Entertainment|url=https://en.yna.co.kr/view/AEN20210126007100315|website=[[Yonhap News Agency]]|date=January 26, 2021|access-date=May 17, 2024|archive-date=February 27, 2021|archive-url=https://web.archive.org/web/20210227220723/https://en.yna.co.kr/view/AEN20210126007100315|url-status=live}}</ref> 2021年7月26日發行第二張迷你專輯《{{tsl|en|Next Episode (EP)|Next Episode}}》，主打歌為與[[IU (歌手)|IU]]合作的〈Nakka〉（{{lang|ko|낙하}}，落下）。該作品定位為「合作專輯」，<ref name=":0">{{cite web|last1=Park|first1=Junhee|title=AKMU helps to take leap through new collaboration album|url=https://www.koreaherald.com/view.php?ud=20210726000891|website=[[The Korea Herald]]|date=July 26, 2021|access-date=May 17, 2024|archive-date=February 22, 2024|archive-url=https://web.archive.org/web/20240222104906/https://www.koreaherald.com/view.php?ud=20210726000891|url-status=live}}</ref> 七首收錄曲分別邀請[[李仙姬]]、[[Beenzino]]、[[Crush (歌手)|Crush]]、[[Sam Kim]]、[[Zion.T]]與獨立搖滾樂團[[Jannabi]]的[[崔政勳]]參與演唱。<ref name=":0"/> 該專輯為《[[Summer Episode]]》（2017年）的延伸。<ref>{{cite web|last1=Lee|first1=Minji|title=Sibling duo AKMU returns with star-studded, philosophical album 'New Episode'|url=https://en.yna.co.kr/view/AEN20210726007400315|website=[[Yonhap News Agency]]|date=July 26, 2021|access-date=May 19, 2024|archive-date=August 1, 2021|archive-url=https://web.archive.org/web/20210801142757/https://en.yna.co.kr/view/AEN20210726007400315|url-status=live}}</ref> 受電影《[[大娛樂家]]》（2017年）的啟發，<ref>{{cite web|url=https://www.koreatimes.co.kr/www/art/2021/07/732_312821.html|title=Sibling duo AKMU returns with star-studded collaboration album|last=Dong|first=Sun-hwa|date=July 26, 2021|work=[[The Korea Times]]|access-date=August 15, 2021}}</ref> 〈Nakka〉於2021年7月31日的Gaon數位榜空降第三名，<ref>{{cite web|last1=Lee|first1=Mi-young|url=https://www.joynews24.com/view/1393357|script-title=ko:[순위표] MSG워너비, 5주 연속 가온차트 1위…디오는 앨범차트 1위|trans-title=[Leaders] MSG Wannabe, No. 1 on Gaon Chart for 5 Consecutive Weeks, D.O. Ranks 1st on the Album Chart|work=JoyNews24|via=|date=August 5, 2021|access-date=May 21, 2024|language=ko|archive-date=May 22, 2024|archive-url=https://web.archive.org/web/20240522001635/https://www.joynews24.com/view/1393357|url-status=live}}</ref> 隔週攀升至冠軍。<ref>{{cite web|last1=McIntyre|first1=Hugh|title=BTS, AKMU, IU, Astro, Aespa And Taeyeon: This Week's 10 Biggest Songs In Korea|url=https://www.forbes.com/sites/hughmcintyre/2021/08/12/bts-akmu-iu-astro-aespa-and-taeyeon-this-weeks-10-biggest-songs-in-korea/|website=[[Forbes]]|date=August 12, 2021|access-date=August 15, 2021|archive-date=May 18, 2024|archive-url=https://web.archive.org/web/20240518024030/https://www.forbes.com/sites/hughmcintyre/2021/08/12/bts-akmu-iu-astro-aespa-and-taeyeon-this-weeks-10-biggest-songs-in-korea/?sh=45a2c32a5daa|url-status=live}}</ref> 該單曲連續三週位列《告示牌》韓國流行音樂百大單曲榜（K-pop Hot 100）榜首。<ref>
* Week 1: {{cite magazine|url=https://www.billboard.com/charts/billboard-korea-100/2021-08-14/|title=Billboard K-Pop 100: Week of August 14, 2021|magazine=[[Billboard (magazine)|Billboard]]|date=|access-date=May 22, 2024|archive-date=February 2, 2023|archive-url=https://web.archive.org/web/20230202132718/https://www.billboard.com/charts/billboard-korea-100/2021-08-14/|url-status=live}}
* Week 2: {{cite magazine|url=https://www.billboard.com/charts/billboard-korea-100/2021-08-21/|title=Billboard K-Pop 100: Week of August 21, 2021|magazine=[[Billboard (magazine)|Billboard]]|date=|access-date=May 22, 2024|archive-date=October 4, 2023|archive-url=https://web.archive.org/web/20231004141058/https://www.billboard.com/charts/billboard-korea-100/2021-08-21/|url-status=live}}
* Week 3: {{cite magazine|url=https://www.billboard.com/charts/billboard-korea-100/2021-08-28/|title=Billboard K-Pop 100: Week of August 28, 2021|magazine=[[Billboard (magazine)|Billboard]]|date=|access-date=May 22, 2024|archive-date=December 25, 2022|archive-url=https://web.archive.org/web/20221225110904/https://www.billboard.com/charts/billboard-korea-100/2021-08-28/|url-status=live}}</ref> 此外，《Next Episode》的收錄曲在發行週佔據Gaon下載榜前十名中的七個席位。<ref>{{cite web|last1=McIntyre|first1=Hugh|title=BTS, Exo's D.O., Lim Young-Woong And A Lot Of AKMU: This Week's 10 Bestselling Singles In Korea|url=https://www.forbes.com/sites/hughmcintyre/2021/08/05/bts-exos-do-lim-young-woong-and-a-lot-of-akmu-this-weeks-10-bestselling-singles-in-korea/?sh=5c38505a1455|website=[[Forbes]]|date=August 5, 2021|access-date=August 15, 2021|archive-date=May 18, 2024|archive-url=https://web.archive.org/web/20240518003723/https://www.forbes.com/sites/hughmcintyre/2021/08/05/bts-exos-do-lim-young-woong-and-a-lot-of-akmu-this-weeks-10-bestselling-singles-in-korea/?sh=388208cc1455#selection-595.0-595.95|url-status=live}}</ref> 〈Nakka〉獲得KMCA串流媒體類的[[Circle Chart#認證|白金]][[音樂唱片銷售認證|認證]]，<ref name=":5">{{cite web|last1=Cheon|first1=Seol-hwa|url=https://www.stardailynews.co.kr/news/articleView.html?idxno=426358|script-title=ko:10월 써클차트, 정국-AKMU(악뮤)-임영웅-세븐틴 활약|trans-title=October Circle Chart: Performance of Jungkook, AKMU, Lim Young-woong, and Seventeen|work=[[Star News (South Korea)|Star News]]|via=|date=November 9, 2023|access-date=May 19, 2024|language=ko|archive-date=November 10, 2023|archive-url=https://web.archive.org/web/20231110022140/https://www.stardailynews.co.kr/news/articleView.html?idxno=426358|url-status=live}}</ref> 隨後獲得第19屆[[韓國大眾音樂獎]]最佳流行歌曲獎，<ref>{{cite web|last1=Suacillo|first1=Angela Patricia|title=Here are all the winners from the 19th Korean Music Awards|url=https://www.nme.com/news/music/here-are-all-the-winners-from-the-19th-korean-music-awards-2022-3172950|website=[[NME]]|date=March 2, 2022|access-date=May 17, 2024|archive-date=April 13, 2023|archive-url=https://web.archive.org/web/20230413030357/https://www.nme.com/news/music/here-are-all-the-winners-from-the-19th-korean-music-awards-2022-3172950|url-status=live}}</ref> [[2021年Mnet亞洲音樂大獎]]的[[Mnet亞洲音樂大獎最佳合作|最佳合作獎]]，<ref>{{cite web|last1=McIntyre|first1=Hugh|title=BTS, IU And Aespa Ruled The 2021 Mnet Asian Music Awards|url=https://www.forbes.com/sites/hughmcintyre/2021/12/11/bts-iu-and-aespa-ruled-the-2021-mnet-asian-music-awards/?sh=2076bae34840|website=[[Forbes]]|date=December 11, 2021|access-date=May 19, 2024|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520010917/https://www.forbes.com/sites/hughmcintyre/2021/12/11/bts-iu-and-aespa-ruled-the-2021-mnet-asian-music-awards/?sh=2076bae34840|url-status=live}}</ref> 以及[[第36屆金唱片獎]]的音源本賞。<ref>{{cite web|last1=Yeo|first1=Gladys|title=Here are all the winners from the 36th Golden Disc Awards|url=https://www.nme.com/news/music/here-are-all-the-winners-from-the-36th-golden-disc-awards-2022-3133781|website=[[NME]]|date=January 9, 2022|access-date=May 20, 2024|archive-date=December 6, 2023|archive-url=https://web.archive.org/web/20231206205133/https://www.nme.com/news/music/here-are-all-the-winners-from-the-36th-golden-disc-awards-2022-3133781|url-status=live}}</ref> 專輯中的七首歌曲皆拍攝了音樂錄影帶。<ref>{{cite web|last1=Yeo|first1=Gladys|title=AKMU to release music videos for all songs on upcoming album 'Next Episode'|url=https://www.nme.com/news/music/akmu-seven-music-videos-all-songs-upcoming-album-next-episode-2995258|website=[[NME]]|date=July 16, 2021|access-date=May 21, 2024|archive-date=August 17, 2022|archive-url=https://web.archive.org/web/20220817075429/https://www.nme.com/news/music/akmu-seven-music-videos-all-songs-upcoming-album-next-episode-2995258|url-status=live}}</ref>

=== 2023年至今：《Love Lee》與獨立廠牌 ===
2023年8月21日，發行數位單曲《{{tsl|en|Love Lee}}》。<ref>{{cite web|last1=Choi|first1=Jiwon|title=AKMU returns with new single 'Love Lee'|url=https://www.koreaherald.com/view.php?ud=20230821000651|website=[[The Korea Herald]]|date=August 21, 2023|access-date=May 17, 2024|archive-date=November 4, 2023|archive-url=https://web.archive.org/web/20231104125147/https://www.koreaherald.com/view.php?ud=20230821000651|url-status=live}}</ref> 同名主打歌在[[Circle數位榜]]（前身為Gaon數位榜）上拿下六個非連續週的冠軍，<ref>{{cite web|last1=Assis|first1=Tássia|title=15 K-Pop Songs That Took 2023 By Storm: From Seventeen's "Super (손오공)" to NewJeans' "Super Shy"|url=https://www.grammy.com/news/15-biggest-k-pop-songs-2023-fifty-fifty-cupid-jung-kook-seven|website=[[Grammy]]|date=December 21, 2023|access-date=May 17, 2024|archive-date=February 13, 2024|archive-url=https://web.archive.org/web/20240213090950/https://www.grammy.com/news/15-biggest-k-pop-songs-2023-fifty-fifty-cupid-jung-kook-seven|url-status=live}}</ref> 在韓國主要串流音樂平台上連續九週位居榜首。<ref>{{cite web|last1=Lee|first1=Seung Hun|last2=Lee|first2=So Yun|title=AKMU Continues its Reign for 9 Weeks|url=https://www.starnewskorea.com/foreign/starViewEng.html?no=2023110716306987902|website=[[Star News (South Korea)|Star News]]|date=October 29, 2023|access-date=May 19, 2024|archive-date=May 20, 2024|archive-url=https://web.archive.org/web/20240520000855/https://www.starnewskorea.com/foreign/starViewEng.html?no=2023110716306987902|url-status=live}}</ref> 該曲打入[[告示牌全球二百大單曲榜|《告示牌》全球二百大單曲榜]]與[[日本告示牌|《日本告示牌》熱門潛力單曲榜]]，最高分別排名第91位和第4位。<ref>
* {{cite magazine|url=https://www.billboard.com/charts/billboard-global-200/2023-10-07/|title=Billboard Global 200: Week of October 7, 2023|magazine=[[Billboard (magazine)|Billboard]]|date=|access-date=May 22, 2024|archive-date=October 30, 2023|archive-url=https://web.archive.org/web/20231030004542/https://www.billboard.com/charts/billboard-global-200/2023-10-07/|url-status=live}}
* {{cite web|url=https://billboard-japan.com/charts/detail?a=heat_seekers&year=2023&month=10&day=16|title=Billboard Japan Heatseekers Songs: [ 2023/10/11 公開]|website=[[Billboard Japan]]|date=|access-date=May 22, 2024|archive-date=November 15, 2023|archive-url=https://web.archive.org/web/20231115224730/https://billboard-japan.com/charts/detail?a=heat_seekers&year=2023&month=10&day=16|url-status=live}}
</ref> 發布在[[TikTok]]上的相關舞蹈挑戰短影音累積超過兩億次觀看。<ref>{{cite web|last1=Han|first1=Hae Seon|last2=Lee|first2=So Yun|title=AKMU 'Love Lee' claims the top spot|url=https://www.starnewskorea.com/foreign/starViewEng.html?no=2023092016096999841|website=[[Star News (South Korea)|Star News]]|date=September 20, 2023|access-date=May 17, 2024|archive-date=May 18, 2024|archive-url=https://web.archive.org/web/20240518041251/https://www.starnewskorea.com/foreign/starViewEng.html?no=2023092016096999841|url-status=live}}</ref> 〈Love Lee〉在第21屆[[韓國大眾音樂獎]]獲最佳流行歌曲，<ref>{{cite web|last1=Chin|first1=Carmen|title=Here are all the winners of the 2024 Korean Music Awards|url=https://www.nme.com/news/music/2024-korean-music-awards-winners-kiss-of-life-newjeans-3595226|website=[[NME]]|date=March 1, 2024|access-date=May 19, 2024|archive-date=April 6, 2024|archive-url=https://web.archive.org/web/20240406224715/https://www.nme.com/news/music/2024-korean-music-awards-winners-kiss-of-life-newjeans-3595226|url-status=live}}</ref> 並在[[2023年MAMA大獎]]奪得[[Mnet亞洲音樂大獎最佳歌唱表演|最佳演唱組合]]。<ref>{{cite magazine|last1=Grein|first1=Paul|title=Seventeen, NewJeans Are Top Winners at 2023 MAMA Awards|url=https://www.billboard.com/music/awards/2023-mama-awards-winners-list-seventeen-newjeans-1235515448/|magazine=[[Billboard (magazine)|Billboard]]|date=November 29, 2023|access-date=May 20, 2024|archive-date=December 13, 2023|archive-url=https://web.archive.org/web/20231213204407/https://www.billboard.com/music/awards/2023-mama-awards-winners-list-seventeen-newjeans-1235515448/|url-status=live}}</ref> 其[[B面與A面|B面單曲]]〈Fry's Dream〉在Circle數位榜最高排名第二，並連續兩個月在「V Coloring榜」位居榜首，<ref name=":5"/> 隨後在第13屆[[Circle Chart 音樂獎]]獲頒年度V Coloring獎。<ref>{{cite web|last1=Ziwei|first1=Puah|title=Here are all the winners of the 13th Circle Chart Music Awards|url=https://www.nme.com/news/music/13th-circle-chart-music-awards-winners-newjeans-jungkook-seventeen-3568927|website=[[NME]]|date=January 11, 2024|access-date=May 19, 2024|archive-date=February 9, 2024|archive-url=https://web.archive.org/web/20240209040901/https://www.nme.com/news/music/13th-circle-chart-music-awards-winners-newjeans-jungkook-seventeen-3568927|url-status=live}}</ref>

AKMU為紀念出道十週年，在[[首尔奥林匹克体操竞技场]]舉辦兩日「10VE」演唱會，吸引兩萬一千名觀眾。<ref name=":172">{{cite web |title=AKMU Thrills Fans with a Mesmerizing 10th Anniversary Concert Experience |url=https://www.hankooki.com/news/articleView.html?idxno=166689 |website=[[Hankooki]] |date=June 17, 2024 |last1=Mo |first1=Shin-jung |url-status=live |archive-url=https://web.archive.org/web/20240619000048/https://www.hankooki.com/news/articleView.html?idxno=166689 |archive-date=June 19, 2024 |access-date=June 18, 2024}}</ref> 2024年6月3日發行第三張迷你專輯（EP）《{{tsl|en|Love Episode}}》，主打歌為〈Hero〉。該專輯收錄六首歌曲，包含單曲〈Love Lee〉與〈Fry's Dream〉，<ref>{{cite web|last1=Lee|first1=Seung-hun|last2=Lee|first2=So-yun|title=YG: "AKMU's 3rd Mini Album is Easy Listening.. Enjoyable for Everyone"|url=https://www.starnewskorea.com/foreign/starViewEng.html?no=2024052815426989564|website=[[Star News (South Korea)|Star News]]|date=May 28, 2024|access-date=June 19, 2024|archive-date=June 19, 2024|archive-url=https://web.archive.org/web/20240619005714/https://www.starnewskorea.com/foreign/starViewEng.html?no=2024052815426989564|url-status=live}}</ref> 此為AKMU「Episode」系列的第三部曲。<ref>{{cite web|last1=Shim|first1=Sun-ah|title=AKMU returns with 'comfortable' love songs|url=https://en.yna.co.kr/view/AEN20240603004300315|website=[[Yonhap]]|date=June 3, 2024|access-date=June 19, 2024|archive-date=June 3, 2024|archive-url=https://web.archive.org/web/20240603012819/https://en.yna.co.kr/view/AEN20240603004300315|url-status=live}}</ref> 該專輯發行後進入韓國各大音樂榜單上位圈。<ref>{{cite web|last1=Kim|first1=Hyun-hee|title=AKMU "Love Episode" Jacket Shoot Reveals Sibling Chemistry and Style|url=https://www.hankooki.com/news/articleView.html?idxno=164287|website=[[Hankooki]]|date=June 5, 2024|access-date=June 19, 2024|archive-date=June 19, 2024|archive-url=https://web.archive.org/web/20240619010225/https://www.hankooki.com/news/articleView.html?idxno=164287|url-status=live}}</ref>

2025年11月，AKMU與[[YG娛樂]]合約到期後不續約。<ref>{{cite news|title=Sibling duo AKMU amicably exits YG Entertainment, may start own indie label|url=https://koreajoongangdaily.joins.com/news/2025-11-21/entertainment/kpop/Sibling-duo-AKMU-amicably-exits-YG-Entertainment-may-start-own-indie-label-/2460138|work=[[Korea JoongAng Daily]]|last=Shin|first=Min-hee|date=November 21, 2025|access-date=November 21, 2025}}</ref> 2026年1月，AKMU宣布成立獨立廠牌「Center of Inspiration」（靈感泉源），該名稱源自李燦赫過去的個人展覽。<ref>{{cite news|title=AKMU Moves to 'Yeonggamui Saemteo' Post-YG|url=https://www.chosun.com/english/kpop-culture-en/2026/01/22/YCLCD3LVDRCHXN5INSA4LAOTDQ/|work=The Chosun|last=Kyung|first=Jimin|date=January 22, 2026|access-date=January 27, 2026}}</ref> 同年4月7日，AKMU發行第四張正規專輯《{{tsl|en|Flowering (album)|Flowering (專輯)|Flowering}}》。<ref>{{Cite web|script-title=ko:악뮤, 오늘 새 정규 '개화' 발매...홀로서기 후 첫 앨범|trans-title=AKMU releases new full-length album 'Flowering' today... First album since going solo|url=https://n.news.naver.com/mnews/article/001/0016007909|via=[[Naver]]|website=[[Yonhap News Agency]]|language=ko|last=Kim|first=Sun-woo|date=April 7, 2026|access-date=April 23, 2026|archive-date=April 23, 2026|archive-url=https://web.archive.org/web/20260423172022/https://n.news.naver.com/mnews/article/001/0016007909|url-status=live}}</ref>