Lee Chan-hyuk (; born September 12, 1996), is a South Korean singer-songwriter, producer and author. He debuted as a member of the sibling duo AKMU in April 2014, under YG Entertainment.
Throughout AKMU's participation in K-pop Star 2 and following their debut in 2014, Lee Chan-hyuk has assumed the primary songwriting and composing responsibilities for all music released by the duo.
Branching out as a solo artist in 2022, Lee Chan-hyuk produced and released one studio album - Error (2022), one single - 1 Trillion (2024), along with a video project album titled Umbrella (2023) under the project group Leechanhyukvideo. Notably, his first studio album, Error, won the Best Pop Album category at the 20th Korean Music Awards.
Lee Chan-hyuk was promoted to a full member of the Korea Music Copyright Association (KOMCA) in January 2019. As of April 2026, 159 songs have been attributed to him as a songwriter and composer.
Released songs +Key Indicates single Indicates a release for promotional advertisements Indicates a non-commercial release
2012 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Galaxy" () AKMU 2012 PTM 1ST COMPILATION-GALAXY "Don't Cross Your Legs" () SBS K-POP Star Season 2: Don't Cross Your Legs "You Are Attractive" () SBS K-POP Star Season 2: You Are Attractive
2013 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "All-IP Song" () AKMU "Is It Ramen?" () SBS K-pop Star Season 2 Top 10 Part 1 Go Young-hwan, Seo Eui-beom "Crescendo" () SBS K-pop Star Season 2 Top 6 Go Young-hwan, Seo Eui-beom "Love in the Milky Way Cafe" () SBS K-pop Star Season 2 Top 4 10cm 10cm Go Young-hwan, Seo Eui-beom "The Love Of Foreigner" () SBS K-pop Star Season 2 Top 3 Part 2 Go Young-hwan, Seo Eui-beom "I Love You" All About My Romance OST Part 3 Denis Seo, Shin Seung-ik "Bean Ice Flakes with Rice Cake" () Go Young-hwan, Seo Eui-beom "A Happy World" () "Double Song" () "Every Little Thing" () Denis Seo, Shin Seung-ik "Is It Ramen? (Shake Mix)" () Denis Seo, Shin Seung-ik
2014 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Give Love" AKMU PLAY Denis Seo, Shin Seung-ik "200%" Rovin "Melted" () Rovin "On The Subway" () Rovin "Hair Part" () Rovin "Artificial Grass" () Rovin "Don't Hate Me" () Philtre "Little Star" () Rovin "Anyway" () Denis Seo, Shin Seung-ik "Idea" () Rovin "Galaxy" Denis Seo, Shin Seung-ik "Time and Fallen Leaves" ()
2015 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Think About You" () Younha Rovin "Like Ga, Na, Da" () AKMU Rovin
2016 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Re-Bye" AKMU Spring Rovin "How People Move" () Rovin "Haughty Girl" () Denis Seo, Shin Seung-ik "Green Window" () Kang Wook-jin "Every Little Thing" () Rovin "Around" () Rovin "Be With You" Moon Lovers: Scarlet Heart Ryeo OST Part 12 Ji-hoon ROCOBERRY ROCOBERRY
2017 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Live" () AKMU Winter minGtion "Reality" () Lee Hyun-young "Last Goodbye" () Denis Seo, Shin Seung-ik "Play Ugly" () Rovin "Chocolady" Lee Hyun-young "You Know Me" Rovin "Way Back Home" () Rovin "Will Last Forever" () Philtre "The Tree" () Yang Hee-eun, AKMU The Unexpected Meeting, Part 8 Ji-hoon Denis Seo, Shin Seung-ik "Canaricano" () Various Musicians (Defconn, Kim Jong-min, AKMU) Lee Su-hyun, Defconn, Kim Jong-min Lee Su-hyun Lee Su-hyun "Dinosaur" AKMU Summer Episode Rovin Rovin "My Darling" Rovin Rovin "Red Carpet" Kim Hee-jung, Hwang Seung-eon, Lee Su-hyun, Kwon Hyun-bin, Deukie Temporary Idols OST Kim Hee-jeong, Deukie Choice37 Choice37
2019 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Marine Triumph Song" () Republic of Korea Marine Corps "Chantey" () AKMU Sailing Jukjae "Fish in the Water" () Choi Ye-geun "How Can I Love the Heartbreak, You're the One I Love" () Lee Hyun-young "Moon" () Jukjae "Freedom" Lee Hyun-young "Should've Loved You More" () Choi Ye-geun "Whale" () Jukjae "Endless Dream, Good Night" () Denis Seo, Shin Seung-ik "Farewell" () Lee Su-hyun "Let's Take Time" () Hong So-jin "Drift" Peejay Peejay
2020 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Wayo" () Bang Ye-dam Kang Seung-yoon, Future Bounce Kang Seung-yoon, Future Bounce, Andrew Choi Future Bounce "World Love" AKMU Dwilly "Fish in the Water" () AKMU [Sailing] Tour Live Choi Ye-geun, Lee Hyun-young "Reality and Crescendo (MEDLY VER)" () Rovin, Lee Hyun-young "RE-BYE and Don't Cross Your Legs and Every Little Thing (MEDLY VER)" () Rovin, Lee Hyun-young "Melted" () Koo Bon-am, Rovin "Love Loss" () "Dinosaur" Rovin Choi Ye-geun, Lee Hyun-young "How People Move" () Koo Bon-am, Rovin "Give Love" Denis Seo, Shin Seung-ik, Lee Hyun-young "200%" Rovin, Lee Hyun-young "Last Goodbye" () Denis Seo, Koo Bon-am, Shin Seung-ik "Alien" Lee Su-hyun Seo Dong-hwan, Peejay Peejay "Happening" AKMU Millennium, Sihwang Millennium, Sihwang
2021 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Slowmotion" Treasure The First Step: Treasure Effect Choi Hyun-suk, Haruto Millennium, Kim Chang-hoon Millennium, Kim Chang-hoon "We Were" () Lee Seung-chul Lee Hyun-young "Ah Puh" () IU Lilac IU Peejay Peejay "Hey Kid, Close Your Eyes" () AKMU, Lee Sun-hee Next Episode Millennium, Sihwang Millennium, Sihwang "Nakka" () AKMU, IU Millennium Millennium "Bench" AKMU, Zion.T Millennium, Lee Hyun-young Millennium, Lee Hyun-young "Tictoc Tictoc Tictoc" () AKMU, Beenzino Beenzino Peejay, Beenzino Peejay "Next Episode" () AKMU, Choi Jung-hoon Lee Hyun-young Lee Hyun-young "Stupid Love Song" AKMU, Crush Jukjae Jukjae "Everest" AKMU, Sam Kim Jukjae Jukjae "Dissonance" () Mudd the Student, AKMU Show Me the Money 10 Semi Final Mudd the Student Gray, Mudd the Student Gray "Cheers" () Code Kunst, Lee Chan-hyuk, Colde, Sogumm RECONNECT Colde, Sogumm Code Kunst, Colde, Sogumm Code Kunst "We Are All Adventurers" AKMU Lee Hyun-young
2022 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Chupa Chups" Lee Chan-hyuk Millennium, Sihwang Millennium, Sihwang "Let's Go Ride" AKMU Millennium, Sihwang Millennium, Sihwang "Free Smile" Lee Hyori, Lee Chan-hyuk Seoul Check-In OST Part 10 Millennium, Sihwang "I Love U" Winner Holiday Mino, Kang Seung-yoon, Kid Wine, Bang Ye-dam, AiRPLAY Brian U, Kang Seung-yoon, Bang Ye-dam, Dee.P, AFTRSHOK, Rajan Muse, Noerio Dee.P, AFTRSHOK, Rajan Muse "Gulliver" Kang Seung-yoon Street Man Fighter (SMF) ORIGINAL VOL.2(OST) Czaer, Riskypizza, Dee.P Czaer, Riskypizza, Dee.P "Eyewitness Account" () Lee Chan-hyuk Error Millennium, Sihwang "Siren" Millennium, Sihwang "Panorama" () Millennium, Sihwang "Time! Stop!" Millennium, Sihwang "If I Can't Go See You Right Now" () Millennium, Sihwang "Goodbye, Stay Well" () Lee Chan-hyuk, Chungha Millennium, Sihwang "What The" () Lee Chan-hyuk Millennium, Sihwang "Missed Call" () Millennium, Sihwang "Castle in My Dream" () Millennium, Sihwang "A Day" Millennium, Sihwang "Funeral Hope" () Millennium, Sihwang "We Were" () Jung Ji-so, Hareem Curtain Call OST Part.10 Hanbam (MIDNIGHT), Kim Se-jin
2023 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Heartbreak Club" () Colde, Lee Chan-hyuk Love Part 2 Colde Colde, Moon Jun-ho, Chae Wook-jin Colde, Moon Jun-ho, Chae Wook-jin "Migration" () Shin Bong-sun Umbrella() Park Chang-hak Yoon Sang Lee Hyun-young "Way to the Airport" () Lee Se-young Han Jin-young Jung Soon-yong Lee Hyun-young "Dance" () Shin Se-hwi Yoon Duk-won Yoon Duk-won "The Moment You Want to Stay" () Go Ah-sung Jo Jun-hyeong Jo Jun-hyeong "Romantico" Hanroro Im Tae-hyuk Im Tae-hyuk "Your Love" () Chanju, Lee Chan-hyuk Wonderland Chanju Chanju, Yun Seok-cheol Yun Seok-cheol "Your Love" () (ORIGINAL VER.) Chanju Chanju ROCKITMAN, Chanju ROCKITMAN, Chanju "Bona Bona" Treasure Reboot Junkyu, Choi Hyun-suk, Yoshi, Haruto, Where the Noise, Jared Lee, Dan Whittemore Diggy, Where the Noise, Dee.P, Kang Uk-jin, Dan Whittemore, Jared Lee Yang Hyun-suk, Dee.P "Wonderland" Choi Hyun-suk, Yoshi, Haruto, Junkyu Kim Seung-ho, Kwon Myung-hwan, Dee.P, Junkyu Dee.P, Kim Seung-ho, Kwon Myung-hwan "Love Lee" AKMU Love Lee Millennium, Sihwang "Fry's Dream" () Rovin "Batter Up" BabyMonster Jared Lee, Yang Hyun-suk, Asa, Choi Hyun-suk, Where the Noise, Bigtone Chaz Mishan, Yang Hyun-suk, Dee.P, Jared Lee, Asa Yang Hyun-suk, Dee.P, Chaz Mishan "V (Peace)" Zion.T, AKMU Zip Zion.T, Kim San Zion.T, Slom, Park Jun-woo, Kim San, Koo Young-jun, Peejay Slom, Park Jun-woo, Koo Young-jun, Peejay "Eat Sleep Live Repeat" () Lee Sung-kyung, Lee Chan-hyuk Peter Han, Kim Yun-su, Kim Jong-gil, DEEKEI Peter Han, Kim Yun-su, Kim Jong-gil, DEEKEI Peter Han, Kim Yun-su, Kim Jong-gil, Park Aaron
2024 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "1 Trillion" () Lee Chan-hyuk Millennium, Sihwang "Chill-hage" () AKMU Millennium "Hero" LOVE EPISODE Lee Hyun-young, Park Jae-beom "Long D" () dress "Peace of Cake" () WOOGIE "Answer Me" () moocean "HalliGalli" Nayeon Na LP LP "Million Stars" AKMU Millennium "TRICK CODE" Lee Chan-hyuk Millennium, Sihwang "Complicated" BABO b Shin Hyun-bin, Jung Dae-il "Cheek" () Shin Hyun-bin, Jung Dae-il "bbbb" () Shin Hyun-bin, Jung Dae-il "Collapse" () Shin Hyun-bin, Jung Dae-il "Danso" Shin Hyun-bin, Jung Dae-il "Howl of the Wolves" () Shin Hyun-bin, Jung Dae-il "Thanks, liar" Shin Hyun-bin, Jung Dae-il "blues" Shin Hyun-bin, Jung Dae-il
2025 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "DADA" AKMU Millennium, Sihwang Millennium, Sihwang "Yellow Day" Jung Ji-so Midnight Sun OST John Ofa Rhee, Cryinstereo "Every Time I Do This, I Imagine" () Lee Hyun-young "Love" () Jung Ji-so, Cha Hak-yeon John Ofa Rhee, Cryinstereo "Sculpture Stars" () Jung Ji-so Seo Dong-hwan "MUSIC" Big Naughty, Lee Chan-hyuk Big Naughty Big Naughty, HAH, Flexindoor, Jeon Sung-bae, Choi Bo-seung HAH, Flexindoor, Jeon Sung-bae, Big Naughty "SINNY SINNY" Lee Chan-hyuk Eros Millennium, Sihwang "Out of My Mind" () Millennium, Sihwang "Vivid LaLa Love" () Millennium, Sihwang "TV Show" Millennium, Sihwang "Endangered Love" () Millennium, Sihwang, Lee Jin-hyub "Eve" Millennium, Sihwang "Andrew" Millennium, Sihwang "TAIL" () Millennium, Shin Hyun-bin, Jung Dae-il "Shining Ground" () Millennium, Lee Jin-hyub "LOVE ME PRIVATE" BABO Shin Hyun-bin, Jung Dae-il "Cafe Latte" Lilas Ikuta Laugh Seo Dong-hwan INFX, Seo Dong-hwan "WE WISH" Lee Chan-hyuk
2026 Song Artist Album Lyrics Music Arrangement Credited With Credited With Credited With "Paradise of Rumors" () AKMU Flowering Lee Jin-hyub "Spring Colors" () Lee Jin-hyub "Paid With Bugs" () Lee Jin-hyub "Joy, Sorrow, A Beautiful Heart" () Lee Jin-hyub "Sunshine Bless You" () Lee Jin-hyub "Tent" Lee Jin-hyub "Young and Married" () Lee Jin-hyub "The Right Person" () Lee Jin-hyub "Graceful Breakfast" () Lee Jin-hyub "Festival of Refugees" () "Stains" () Lee Jin-hyub
Unreleased songs Copyright registered songs