우린 틀렸을지 몰라 [Credit] Lyrics by 김찬호 Composed by bigguyrobin, 김찬호 Arranged by 최상언, 김성윤 Piano 김성윤 Guitar 최상언 Bass 최상언 Drum 최상언 String Arranged & Conducted 김성윤 Digital Edit 최상언 Mixed by 최상언 Mastered by 최상언