어떤 날에 와줄까요... -CREDIT- Lyrics by Utopi, GLODY, JANGGAB Composed by GLODY, JANGGAB, Utopi Arranged by JANGGAB, GLODY Piano by JANGGAB Drum by JANGGAB String by JANGGAB Guitar by 김형주 Bass by JANGGAB Mixed & Mastered by 라니(Rany)