2013 - 6 tracks

Passionate Goodbye OST - Lee Hong Ki

2020 - 1 tracks

Mixtape (Single) - Lee Hong Ki

2013 - 2 tracks

We Got Married OST Part.8 - Lee Hong Ki

2011 - 13 tracks

You're Beautiful OST (Music Director Limited Edition) CD1 - Lee Hong Ki

2018 - 1 tracks

Road To Ithaca Part.3 - Lee Hong Ki, Ha Hyun Woo (Guckkasten), Yoon Do-hyun

2018 - 1 tracks

Road To Ithaca Part.6 - Lee Hong Ki, Ha Hyun Woo (Guckkasten), Yoon Do-hyun

2018 - 1 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 1-1 - Yoon Do Hyun, Ha Hyun Woo

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

2019 - 3 tracks

Vagabond OST Part.8 (Single) - Ha Hyun Woo

2018 - 1 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 9 - Ha Hyun Woo, Soyou

2018 - 1 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 1 - Yoon Do Hyun, Ha Hyun Woo

2018 - 3 tracks

The Way You Keep Friendship Vol.2 (Single) - Yoon Do Hyun, Jung Jae Il

2018 - 1 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 1 - Yoon Do Hyun, Ha Hyun Woo

2018 - 1 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 6 - Yoon Do Hyun, Ha Hyun Woo, Kim Junhyun, Lee Hong Ki

2018 - 2 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 4 - Ha Hyun Woo, Yoon Do Hyun, Lee Hong Ki

2018 - 1 tracks

Road To Ithaca (Original Television Soundtrack), Pt. 3 - Lee Hong Ki, Ha Hyun Woo, Yoon Do Hyun

2012 - 5 tracks

Arang and the Magistrate OST Part 2 - Yoon Do Hyun