오수연 – 안녕, 여행
Track 01 from Single "안녕, 여행"
Release Date: 2014.06.30
오수연 – Sweet Holiday
Track 01 from Single "Sweet Holiday"
Release Date: 2015.12.28
오수연 – Stay With Me
Track 01 from Single "Stay With Me"
Release Date: 2015.08.04
오수연 – 더 좋은 사람
Track 01 from Single "더 좋은 사람"
Release Date: 2021.01.22