"더 늙기전에 더 지치기전에" [Credit] Executive produced by 안인배 Words by 유세윤, B.O.K Music by 유세윤, B.O.K Arranged by B.O.K Produced by 유세윤 Sung by 유세윤 Featuring by 안영미 Mix by 서동광 @ Penthouse Studios Master by 서동광 @ Penthouse Studios