조광일, 브라운티거 (Brown Tigger) – Two Harsh Carls
Track 01 from Single "THC (Two Harsh Carls)"
Release Date: 2020.05.11
박재정 – 몰랐어
Track 01 from Single "죽어도 좋아 (KBS 2TV 수목드라마) OST - Part.6"
Release Date: 2018.12.19
브라운티거 (Brown Tigger), 조광일 – Raw (feat. 김승민)
Track 01 from Single "RAW"
Release Date: 2020.08.07
브라운티거 (Brown Tigger), 조광일 – 뛰어놀아
Track 01 from Single "BBIC WORLD FINAL 2020"
Release Date: 2020.09.12
박재정 – 햇살 바람 별빛 그대
Track 01 from Single "조선로코 - 녹두전 (KBS2 월화드라마) OST - Part.9"
Release Date: 2019.11.11