최원석 – 간격
Track 01 from Single "간격"
Release Date: 2023.11.07
장혜진, 김조한, 신연아, 고유진 (플라워), 조동희, 김현철, 최원석, 임선호, 박상균(LA박피디) – You Gave Me Back Tomorrow (Prod. By LA박피디) (Special Ver.)
Track 02 from Single "Unfinished Job part.5"
Release Date: 2022.12.24
최원석 – 오사카 역
Track 01 from Single "오사카 역"
Release Date: 2018.09.11
최원석 – 완전한 주
Track 01 from Single "완전한 주"
Release Date: 2021.06.08
최원석 – 나홀로
Track 01 from Album "화란동(花亂洞)"
Release Date: 1998.10
최원석 – For You
Track 02 from Album "패자부활전 OST"
Release Date: 1997.01.01