금송아 – 금송아지 몰고 왔어요
Track 01 from Single "다이아몬드 호텔 OST 3rd"
Release Date: 2021.10.15
S1NE – SODA
Track 01 from Single "SODA"
Release Date: 2021.09.12
구슬이 – 어제 오늘 내일 매일
Track 01 from Single "어제 오늘 내일 매일"
Release Date: 2021.09.23
S1NE, hello, Biosphere – UNCHARTED
Track 01 from Single "UNCHARTED"
Release Date: 2021.08.20
윤송아, 태건 – 사랑이 스며들어
Track 01 from Single "다이아몬드 호텔 OST 1st"
Release Date: 2021.09.01