Seo In Guk

- All for You
- Reply 1997 - Love Story, Pt. 1 (Original Television Soundtrack) - Single · 2012
- Distant Fate
- Doom at Your Service (Original Television Soundtrack), Pt. 7 - Single · 2021
- Out of time
- 2024 SINGLE ALBUM [SEO IN GUK] - Single · 2024
- Bebe
- Bebe - Single · 2016
- No Matter What
- Master's Sun (Original Television Soundtrack), Pt. 7 · 2013
- Just the Way We Love (Original Television Soundtrack From "Reply 1997")
- Just the Way We Love (Original Television Soundtrack From "Reply 1997") - Single · 2012
- 꽃
- 내일 그대와 (Original Television Soundtrack), Pt. 1 - Single · 2017
- Loved You
- Loved you - Single · 2013
- Seasons of the Heart
- Seasons of the Heart - Single · 2016
- Even If There's No Miracle
- Death's Game Original SoundTrack Part.2 - Single · 2023