구원찬 – 내게만 느껴지는 사랑일까 (Prod. 권순관 of 노리플라이)
Track 01 from Single "소년 소녀 연애하다 OST Part 6"
Release Date: 2023.11.03
구원찬 – 더 가까이
Track 01 from Single "Epilogue"
Release Date: 2023.09.05
구원찬 – Incense
Track 08 from Album "Object"
Release Date: 2023.01.31
구원찬 – 허수아비 (Feat. 원슈타인)
Track 07 from Album "Object"
Release Date: 2023.01.31
구원찬 – 거짓말탐지기
Track 06 from Album "Object"
Release Date: 2023.01.31
구원찬 – GAME BOY
Track 05 from Album "Object"
Release Date: 2023.01.31
구원찬 – 흔들의자
Track 03 from Album "Object"
Release Date: 2023.01.31
구원찬 – EXIT
Track 02 from Album "Object"
Release Date: 2023.01.31
구원찬 – 허수아비 (Feat. 원슈타인)
Track 01 from Single "허수아비 (Feat. 원슈타인)"
Release Date: 2022.12.20
구원찬 – 마음 사이
Track 01 from Single "유미의 세포들 시즌2 OST Part 5"
Release Date: 2022.07.02
구원찬 – Am I stupid, am I a fool
Track 01 from Single "아직 최선을 다하지 않았을 뿐 OST Part.4"
Release Date: 2022.03.12
구원찬 – 너에게 (feat. 장석훈) (prod. glowingdog)
Track 01 from Single "너에게 (feat. 장석훈)"
Release Date: 2019.04.05
구원찬 – 너는 어떻게 (Original ver.)
Track 02 from Single "너는 어떻게 (Feat. 백예린)"
Release Date: 2018.12.26
구원찬 – 너는 어떻게 (Feat. 백예린)
Track 01 from Single "너는 어떻게 (Feat. 백예린)"
Release Date: 2018.12.26
구원찬 – 후회에게 (feat.선우정아)
Track 05 from EP "일지"
Release Date: 2019.09.10
구원찬 – 슬퍼하지마
Track 01 from Single "슬퍼하지마"
Release Date: 2018.09.07
구원찬 – 감정관리
Track 03 from EP "반복"
Release Date: 2017.09.20
구원찬 – Sweether
Track 02 from EP "반복"
Release Date: 2017.09.20
Humbert, 구원찬 – Way
Track 05 from EP "방향"
Release Date: 2018.05.02