박성수 – 눈물점
Track 01 from Single "눈물점"
Release Date: 2019.07.24
박성수 – 사랑이 떠나가네
Track 01 from Single "서른하나 두 번째 이야기"
Release Date: 2017.12.01
박성수 – 수고했어
Track 01 from Single "서른하나"
Release Date: 2017.05.10
박성수, 이하기 – 부르짖으라
Track 01 from Single "부르짖으라"
Release Date: 2021.02.03