홍지윤, 홍주현 – Snowly
Track 01 from Single "Snowly"
Release Date: 2022.12.03
홍주현 – 그립고 또 그리울 때
Track 11 from Album "연애의 참견 2021 OST"
Release Date: 2021.12.27
홍주현 – 사랑했던 너를 떠나고
Track 01 from Single "사랑의 꽈배기 OST Part.1"
Release Date: 2021.12.13
홍주현 – FLOWER
Track 01 from Single "FLOWER"
Release Date: 2021.09.05
홍주현 – 난 안되는데
Track 08 from Album "미치지 않고서야 OST"
Release Date: 2021.08.30
홍주현 – 그립고 또 그리울 때
Track 01 from Single "연애의 참견 2021 OST - Part.10"
Release Date: 2021.06.20
홍주현 – 온도 (溫度)
Track 01 from Single "온도 (溫度)"
Release Date: 2021.02.15
홍주현, 정시빈 – Reflected
Track 02 from EP "WOW"
Release Date: 2021.01.29
홍주현 – 난 안되는데
Track 01 from Single "미치지 않고서야 OST PART.8"
Release Date: 2021.08.19