주성 – 곁에 있다고 (A Ray of Sunshine)
Track 01 from Single 'A Ray of sunshine'
주성 – 제자리 걸음
Track 01 from Single "제자리 걸음"
Release Date: 2021.06.10
주성 – 네가 되고 싶던 날
Track 01 from Single "The day you wanted to be"
Release Date: 2019.12.19
주성 – Be alright (Prod. 멜로틱)
Track 02 from EP "버티고, 슛 2 OST Part.1"
Release Date: 2021.11.04