무지개 아래 사랑을 말하자, 우리 -성휘- [Credits] Executive Producer 성휘 Producer by 성휘 Composed by 김성휘 Lyrics by 김성휘 Arranged by 김성휘 Vocal by 김성휘 Chorus by 김결 Piano by 박예본 Guitar by 홍찬우 String by 김창우 Bass by 김창우 Drum by 김창우 Recorded by Bunny Mixed & Mastered by 김창우 M/V by 휘필름 @gamsung_hwi Artwork by 손유라