소희 (SOHEE), 송유빈 (비오브유) – 우연한 일들
Track 01 from Single "싸우자 귀신아 OST Part.3"
Release Date: 2016.08.02
소수빈, 소희 (SOHEE) – 좋다
Track 01 from Single "사랑의 불시착 OST Part 9"
Release Date: 2020.02.02
소수빈, 소희 (SOHEE) – 좋다
Track 18 from Album "사랑의 불시착 OST"
Release Date: 2020.02.16