Lyrics by 필승불패W, 리디아(Lydia) Composed by 필승불패W, 리디아(Lydia) Arranged by 필승불패W Piano Performed by 황영화 Guitar Performed by 윤다훈 Bass Performed by 정필승 Strings Performed by 이주용 Recorded by 필승불패W @ Winner J studio Mixed by iaZV @ iaZ studio Mastered by iaZV @ iaZ studio