- KAI ON MUSICAL · 2022
- the late Kim Hyun-sik's 30th Anniversary Memorial Album Pt. 8 - EP · 2021
- the late Kim Hyun-sik's 30th Anniversary Memorial Album Pt. 8 - EP · 2021
- 2021 Now N New - Single · 2021
- 2021 Now N New - Single · 2021
- My Country the New Age (Original Television Soundtrack) · 2019
- My Country_the New Age (Original Television Soundtrack), Pt. 2 - Single · 2019
- Frankenstein (Original Musical Soundtrack) · 2019
- Musical ELISABETH 2018 - Single · 2019
- Marry Me Now, Pt. 6 (Original TV Series Soundtrack) - Single · 2018
- Marry Me Now, Pt. 6 (Original TV Series Soundtrack) - Single · 2018
- Letter from the Stage (Original Broadway Cast Recording) · 2017
- Mask Singer 126th - Single · 2017
Music Videos
- 2009
About Ok Joo Hyun
- BORN
- 20 March 1980
- GENRE
- K-Pop