일수금지화목토천해 [Credit] Produced by RBBR Composed by 김홍준, 최상언 Lyrics by 김홍준, 최상언 Arranged by 김홍준, 최상언 Guitar by 최상언 Piano by 김홍준 All Programming by 김홍준, 최상언 Mixed & Mastered by 김홍준, 최상언 Art Directed & Design by 신청윤