2018 - 2 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 7 - Ha Hyun Woo, Yoon Do Hyun, Kim Junhyun, Lee Hong Ki

2018 - 3 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 10 - Ha Hyun Woo, Soyou

2016 - 2 tracks

The Legend Of The Blue Sea OST (Part. 4) - Ha Hyun Woo