하현우 (국카스텐) – NEXT ONE
Track 01 from EP '메이플스토리 OST : NEXT'
하현우 (국카스텐) – NEXT TO
Track 03 from EP '메이플스토리 OST : NEXT'
하현우 (국카스텐) – Go Ahead
Track 02 from Album "신병2 OST Special Edition"
Release Date: 2023.09.11
하현우 (국카스텐) – 내 얘길 들어주오
Track 01 from Album "어쩌다 마주친, 그대 OST"
Release Date: 2023.06.20
하현우 (국카스텐) – 내 얘길 들어주오
Track 01 from Single "어쩌다 마주친, 그대 OST Part. 1"
Release Date: 2023.05.02
하현우 (국카스텐) – Be back
Track 01 from Single "신성한, 이혼 OST Part.1"
Release Date: 2023.03.04
하현우 (국카스텐) – Fighter
Track 01 from Single "모범택시2 OST Part.1"
Release Date: 2023.02.18
하현우 (국카스텐) – I can’t stop loving you
Track 01 from Single "블러드 OST Part.3"
Release Date: 2015.03.23
하현우 (국카스텐) – 환상
Track 01 from Single "환상 : 하현우 X 착플리 프로젝트 VOL.3"
Release Date: 2019.08.03
하현우 (국카스텐) – 태양처럼
Track 01 from Single "태양처럼"
Release Date: 2020.06.13