최고은 – Childhood
Track 03 from Album "크로스 OST"
Release Date: 2018.03.20
최고은 – 악순환
Track 09 from Album "이야기해주세요 - 세 번째 노래들"
Release Date: 2019.12.28
최고은 – Forest (온스테이지 Ver.)
Track 10 from Album "온스테이지 10주년 - Only ONSTAGE : 9"
Release Date: 2020.12.16
Be One with Kpop - with Lyric
Track 03 from Album "크로스 OST"
Release Date: 2018.03.20
Track 09 from Album "이야기해주세요 - 세 번째 노래들"
Release Date: 2019.12.28
Track 10 from Album "온스테이지 10주년 - Only ONSTAGE : 9"
Release Date: 2020.12.16
Track 09 from Album "SUM [숨∞] 여덟 번째 그린플러그드 공식 옴니버스 앨범"
Release Date: 2018.04.05