- Big4 of Voices In My Dream - Single · 2005
- Big4 of Voices In My Dream - Single · 2005
- 내게 거짓말을 해봐 (Original Soundtrack) · 2011
- The Colorful Voices · 2007
- If Love Earth, Take Action - Single · 2012
- The Colorful Voices · 2007
- There Is No Way Of... (feat. Domina G) - Single · 2014
- Good Bye - Single · 2009
- The Colorful Voices · 2007
- 내게 거짓말을 해봐 (Original Soundtrack) · 2011
- The Colorful Voices · 2007
- 에덴의 동쪽 (Original TV Series Soundtrack), Pt. 1 · 2008
- The Colorful Voices · 2007
Albums
- 2011