권서경 – Por Una Cabeza
Track 02 from Single "First TANGO"
Release Date: 2018.07.02
권서경 – El Dia Que Me Quieras
Track 01 from Single "First TANGO"
Release Date: 2018.07.02
권서경 – Nice ‘N’ Easy
Track 01 from Single "Nice 'N' Easy"
Release Date: 2021.01.28
고훈정, 권서경 – Miserere
Track 06 from EP "팬텀싱어 올스타전 Episode.6"
Release Date: 2021.03.03