Mickey SIM [Lunatic] Never let the future disturb you Singing like a Lunatic with me [Credit] Music Produced by Mickey SIM Composed by Mickey SIM Arranged by Mickey SIM Lyrics by Mickey SIM, 이상우 Vocal by Mickey SIM Guitar by 이상혁 Piano by Mickey SIM Programming by Mickey SIM Mixed by Mickey SIM Recorded by JBIE at DUDU Music Company Vocal Mixed by JBIE at DUDU Music Company Mastering by JBIE at DUDU Music Company Album Art by Mickey SIM, 오다혜