“Hi Mr.Mood” [Credits] Lyrics by 구피 (Goopy) Composed by 구피 (Goopy), SOQI, Charming Lips Arranged by SOQI Synth by SOQI Piano by SOQI Drum by SOQI Guitar by Charming Lips Bass by Charming Lips Mixed by 이청무 @ Studio 505 Masterd by 권남우 @ 821 SOUND MASTERING