리플리 (RIPLEY), 이원석 – 마음
Track 02 from EP '애니메이션 '집이 없어' OST'
Various Artists, 우디 (Woody), 이보람 (씨야), 이원석, 펀치 (Punch) – 오래된 일기처럼
Track 04 from Album '굿파트너 OST'
Various Artists, 우디 (Woody), 이보람 (씨야), 이원석, 펀치 (Punch) – 달빛 속삭임
Track 03 from Album '굿파트너 OST'
Various Artists, 우디 (Woody), 이보람 (씨야), 이원석, 펀치 (Punch) – Beautiful
Track 02 from Album '굿파트너 OST'
Various Artists, 우디 (Woody), 이보람 (씨야), 이원석, 펀치 (Punch) – Keep Holding On
Track 01 from Album '굿파트너 OST'
이원석, 박기영 – 그대 안의 블루
Track 01 from Single "비긴어게인 오픈마이크 EPISODE. 40"
Release Date: 2023.07.29
이원석 – Day By Day
Track 09 from Album "낭만닥터 김사부 3 Original Sound Track"
Release Date: 2023.06.19
이원석 – Day By Day
Track 01 from Single "낭만닥터 김사부 3 OST Part.9"
Release Date: 2023.06.16
이원석 – Pray
Track 01 from Album "일당백집사 OST"
Release Date: 2022.12.28
이원석 – Pray
Track 01 from Single "일당백집사 OST Part.1"
Release Date: 2022.10.20
이원석 – Only Your Love
Track 01 from Single "오! 주인님 OST Part 3"
Release Date: 2021.04.15
이원석, 이지형, 고영배, 혜미 – Happy I Left
Track 01 from Single "Blooming Melody"
Release Date: 2018.08.30
이원석 – 러닝맨 (Remastered)
Track 03 from Album "아이두 아이두 OST"
Release Date: 2012.07.04
이원석 – Rider
Track 09 from Album "아치 & 씨팍 OST"
Release Date: 2006.06.26
이원석 – 당신이 들려요
Track 09 from Album "좋아해줘 OST"
Release Date: 2016.02.18
이원석 – 엇갈린 길
Track 07 from Album "누나 OST"
Release Date: 2006.12.21
이원석 – 101
Track 07 from Album "자체발광 오피스 OST"
Release Date: 2017.05.04