켄(KEN), 하니 (EXID) – 빈틈
Track 01 from Single "빈틈"
Release Date: 2015.06.24
하니 (EXID), 솔지 – Flame
Track 01 from Single "돈꽃 OST Part.2"
Release Date: 2017.12.30
하니 (EXID) – 가끔은 말야 (Sometimes)
Track 01 from Single "IDOL (아이돌 : The Coup) OST Part.3"
Release Date: 2021.11.22
루나 (LUNA), 하니 (EXID), 솔라 (마마무) – HONEY BEE (Prod. by 박근태)
Track 01 from Single "HONEY BEE"
Release Date: 2017.01.19