김종욱, 케스천 – 보석같은 사랑
Track 01 from Album "보석비빔밥 OST Part. 1"
Release Date: 2009.10.21
김종욱, 퀘스쳔 – 보석같은 사랑
Track 07 from Album "보석비빔밥 OST"
Release Date: 2010.02.05
김종욱 – 가난한 사랑
Track 09 from Album "사랑+One-가을愛"
Release Date: 2010.09.13
SG 워너비, 김종욱 – 운명을 거슬러
Track 01 from Single "에덴의 동쪽 OST"
Release Date: 2008.08.12
김종욱 – 갈증
Track 05 from Album "에덴의 동쪽 OST"
Release Date: 2008.08.27
SG 워너비, 김종욱 – 운명을 거슬러
Track 01 from Album "에덴의 동쪽 OST"
Release Date: 2008.08.27
솔비, 김종욱 – 그대에게 바래요
Track 01 from Single "그대에게 바래요"
Release Date: 2008.07.15