Act 1: The Orchestra (2019)
1. In The Silence
2. Natasha
3. 雪夜 (눈 오는 밤/Snowy Night*)
4. Intermission
5. Thirty (서툰 어른)
6. Decrescendo
7. 암전 (Dark War*)
8. Curtain Call
*Tradução Livre
Prelude: Voice (2018)
1. There's No Eternity2. Still, Today
3. CRESCENDO
4. There's No Eternity - Instrumental
UNIVERSE (2017)
Yoo Jae Hwan & Son Dong Woon
1. Universe (feat. Yang Yoseob)2. The Alchemist
3. First Sad Ending
KIMISHIKA (2015)
1. Preludio2. Kimishika (Only You)
3. You Don't Know
4. Amazing Girl You
5. Heavy Thought
6. Become a Star
Defendant OST (2017)
1. Dreaming NowFEATS
COLOR ME (2018)
Son Dongwoon X Seor Young
1. Color Me
