V.O.S – Candy Girl
Track 08 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – 눈을 보고 말해요.
Track 01 from Album "This Is Voice Of Soul"
Release Date: 2010.03.03
V.O.S – 그게 되나요
Track 03 from Album "The Real"
Release Date: 2004.05.15
V.O.S – 여전히
Track 05 from Album "Blue Castle"
Release Date: 2005.11.21
V.O.S – 그대여서 고마워요..
Track 07 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – Look’in My Eyes
Track 04 from Album "Blue Castle"
Release Date: 2005.11.21
V.O.S – 헤어지는 이유
Track 03 from Album "Blue Castle"
Release Date: 2005.11.21
V.O.S – 웃다가 울겠죠..
Track 06 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – 기다릴게
Track 02 from Album "The Real"
Release Date: 2004.05.15
V.O.S – 감추려
Track 02 from Album "Blue Castle"
Release Date: 2005.11.21
V.O.S – 오늘따라 신나는 Party Time
Track 05 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – 모르겠어
Track 01 from Album "The Real"
Release Date: 2004.05.15
V.O.S – 시한부
Track 01 from Album "Blue Castle"
Release Date: 2005.11.21
V.O.S – 반쪽
Track 04 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – 남자라면서
Track 03 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – 사랑 앞에 서다
Track 03 from Album "옥중화 OST"
Release Date: 2016.10.27
V.O.S – Beautiful Life
Track 02 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – 부디..
Track 03 from EP "꽃이 웃는다"
Release Date: 2007.09.18
V.O.S – 아무리 널
Track 01 from Album "Wonderful Things"
Release Date: 2008.05.15
V.O.S – To Luv… (Feat. 2PM 재범)
Track 05 from EP "Routine Free"
Release Date: 2009.05.27
V.O.S – 쉬운가봐요
Track 02 from EP "꽃이 웃는다"
Release Date: 2007.09.18
V.O.S – 빛이었는데
Track 05 from EP "추억"
Release Date: 2010.11.10
V.O.S – 차라리 욕을 해
Track 04 from EP "Routine Free"
Release Date: 2009.05.27
V.O.S – Gonna Be The Melody
Track 04 from EP "The Blue Bird"
Release Date: 2010.09.17
V.O.S – 매일매일
Track 01 from EP "꽃이 웃는다"
Release Date: 2007.09.18
V.O.S – 사랑 참 아프다
Track 04 from EP "추억"
Release Date: 2010.11.10
V.O.S – The First Time (Mordny K Mix) (Feat. 서인영)
Track 01 from Single "The First Time"
Release Date: 2006.05.30
V.O.S – 울어
Track 03 from EP "Routine Free"
Release Date: 2009.05.27
V.O.S – Full Story
Track 03 from EP "The Blue Bird"
Release Date: 2010.09.17