[마음의모양] Credit 1.마음의모양 feat.수란 Lyrics by - MC스나이퍼 Composed by - MC스나이퍼 Arranged by - MC스나이퍼 Guitar Performed by - 한덕용 Percussion by - 우재훈 Bass Performed by - ACADE Piano Performed by - 김신영 Mixed by - 821sound Masterkey Mastered by - 821sound 권남우