솔 – 흉터
Track 02 from Single "Sol? Soul!"
Release Date: 2010.07.22
솔 – 우연이라도 (With KCM)
Track 01 from Single "Sol? Soul!"
Release Date: 2010.07.22
이성재, 솔 – 넌 사랑이야
Track 02 from Single "Road For Hope"
Release Date: 2010.10.28
이성재, 솔 – 넌 사랑이야
Track 05 from EP "Road For Hope '선물'"
Release Date: 2010.11.05
The Unsinkable, 솔 – Incense
Track 07 from Album "Bad Things"
Release Date: 2014.08.07