주원

- 사랑 그리고 사랑
- Bridal Mask (Original Television Soundtrack) · 2012
- Love Medicine
- Doctor Good (Original Television Soundtrack) Pt. 6 - EP · 2013
- I Believe
- 엽기적인 그녀 (Original Soundtrack) Part.5, 6 - EP · 2017
- 내가 만일
- Doctor Good (Original Television Soundtrack) Pt. 6 - EP · 2013
- Love is...
- Love is... - Single · 2025
- I Believe (Inst.)
- 엽기적인 그녀 (Original Soundtrack) Part.5, 6 - EP · 2017
- Innocente
- 내일도 칸타빌레 Naeil's Cantabile (Original Television Soundtrac) · 2014
- 좋아 (feat. 주원 & 수정)
- 좋아 (feat. 주원 & 수정) - Single · 2014
- 내가 만일 (시온 Instrumental Version)
- Doctor Good (Original Television Soundtrack) Pt. 6 - EP · 2013
- 내가 만일 (Instrumental)
- Doctor Good (Original Television Soundtrack) Pt. 6 - EP · 2013