소중한 나의 친구에게 CREDIT Produced/Composed/Lyrics by 한수연 Arranged by 한수연, 김은혁 Vocal 김구슬(러빔) Piano 김은혁 Guitar 김병하 Violin 한수연 Drum 성대창 Bass 조현준 Mixed & Mastered by 황성수 Album Artwork by mini PUBLISHED BY BISCUIT SOUND