이예인 – 영원 (with 정채원)
Track 01 from Single "Permanentness"
Release Date: 2022.01.27
김예은, 우철, 이형은, 박희주, 이예인 – U-Go-Girl
Track 01 from Single "'위대한 탄생 3' 위대한 캠프 Part.1"
Release Date: 2012.12.14
Be One with Kpop - with Lyric
Track 01 from Single "Permanentness"
Release Date: 2022.01.27
Track 01 from Single "'위대한 탄생 3' 위대한 캠프 Part.1"
Release Date: 2012.12.14