1막 안녕 Credit 1.그림자 Lyrics by ASTCO Mixed and Mastered by ASTCO Beat by Jerry the Producer 2.They say wow Lyrics by ASTCO Mixed and Mastered by ASTCO Beat by Jacob Vallen 3.Before Lyrics by ASTCO Mixed and Mastered by ASTCO Beat by heydium 4.오드아이 Lyrics by ASTCO Mixed and Mastered by ASTCO Beat by flare.