- The Sentimental Chord · 2007
- 2021 Now N New - Single · 2021
- His Story · 2005
- Page One (From The "커피하우스" Original Television Soundtrack, Pt. 2) - Single · 2010
- Musical 'REBECCA' (Original Musical Soundtrack) · 2014
- Frankenstein (Original Musical Soundtrack) · 2019
- Talk About Love - Single · 2014
- 서바이벌 나는 가수다 경연4-1. '내가 좋아하는 뮤지션의 곡 부르기' · 2011
- Nan · 2003
- Letter from the Stage (Original Broadway Cast Recording) · 2017
- 서바이벌 나는 가수다 경연5-2. ' 청중 평가단 추천곡 ' · 2011
- the late Kim Hyun-sik's 30th Anniversary Memorial Album Pt. 8 - EP · 2021
- My Country the New Age (Original Television Soundtrack) · 2019
Music Videos
- 2009
About Ok Joo Hyun
- BORN
- March 20, 1980
- GENRE
- K-Pop