스피넬 – 말하지 그랬어
Track 02 from EP "7급 공무원 OST Part.3"
Release Date: 2013.02.14
스피넬 – 듣고 싶은 말
Track 02 from Single "Chu Chu"
Release Date: 2011.04.29
스피넬 – 몰라서요
Track 01 from Single "몰라서요"
Release Date: 2012.02.08
스피넬 – Chu Chu
Track 01 from Single "Chu Chu"
Release Date: 2011.04.29