김은아, 이민규, 홍범기 – 개를 잡자
Track 01 from Single "포텐독 OST Part.3"
Release Date: 2021.05.19
조현아 (어반자카파), 김은아 – 365일
Track 01 from Single "듀엣가요제 30회"
Release Date: 2016.11.25
김은아 – 여기에 (Vocal By 유준석)
Track 01 from Single "여기에"
Release Date: 2020.03.06
김은아 – 나의 오늘 (Vocal By 윤승찬)
Track 01 from Single "나의 오늘"
Release Date: 2020.12.12
김은아 – 너 (Vocal by 양기훈)
Track 01 from Single "너"
Release Date: 2021.09.29
김은아 – 너에게 (Vocal By 유준석，장예정)
Track 01 from Single "너에게"
Release Date: 2019.08.29