V.O.S – 웃어
Track 01 from Single "웃어"
Release Date: 2017.02.09
V.O.S – Nocturn
Track 01 from Single "Nocturn"
Release Date: 2017.05.20
V.O.S – Time
Track 01 from Single "Time"
Release Date: 2017.06.06
V.O.S – 제자리 걸음
Track 01 from Single "제자리 걸음"
Release Date: 2021.08.11
V.O.S – With U
Track 02 from EP "SS Life OST"
Release Date: 2009.08.03
SG 워너비, V.O.S – 사랑합니다
Track 01 from Single "사랑합니다"
Release Date: 2009.12.17
V.O.S – 젊은날
Track 13 from Album "All Star 2"
Release Date: 2008.03.27
조영수, SG 워너비, 백지영, 씨야, V.O.S, KCM, 지아, 나윤권, 이지혜, 다비치, 엠투엠 (M To M), 이승우(소울스타) – 하나의 꽃
Track 02 from Album "All Star 2"
Release Date: 2008.03.27
SG 워너비, V.O.S – 사랑합니다
Track 03 from EP "조영수 All Star 2.5"
Release Date: 2010.03.04
V.O.S, 용감한 형제 – 슬픈음악 (Guitar Acoustic Ver.)
Track 10 from Album "The Classic"
Release Date: 2010.09.03