W – 기도 (Prayer-Original Mix, Homage To 윤상)
Track 04 from Album "안내섬광"
Release Date: 2001.10.17
W – 가장 위대한 로맨스 (Feat. 이승열)
Track 09 from Album "뜨거운 것이 좋아 OST"
Release Date: 2008.01.14
W – 돌아와 줘 (Feat. 김흥수)
Track 06 from Album "뜨거운 것이 좋아 OST"
Release Date: 2008.01.14
W – Shocking Pink Rose (So Long DJ Kan-G Mix)
Track 04 from Album "뜨거운 것이 좋아 OST"
Release Date: 2008.01.14
W – 카푸치노, 설탕 빼고 거품 많이
Track 03 from Album "뜨거운 것이 좋아 OST"
Release Date: 2008.01.14
W – Kiss (Feat. 이승열)
Track 10 from Album "크크섬의 비밀 OST"
Release Date: 2008.08.12
W – Wonder World (Feat. 이승열 – Trailer Edit)
Track 07 from Album "크크섬의 비밀 OST"
Release Date: 2008.08.12
W – 달빛처럼
Track 06 from Album "크크섬의 비밀 OST"
Release Date: 2008.08.12
W – Wonder World (Feat. 이승열)
Track 02 from Album "크크섬의 비밀 OST"
Release Date: 2008.08.12
W – Velvet Crush
Track 06 from Album "A Walk Around The Corner(Project Album: Photo+Music)"
Release Date: 2002.11.01
W – Lemon
Track 11 from Album "케세라세라 OST"
Release Date: 2007.04.03