Mickey SIM [St. SUMMER] Singing In The Rain [Credit] Music Produced by Mickey SIM, 정현석 Composed by Mickey SIM Arranged by Mickey SIM Lyrics by Mickey SIM Vocal by Mickey SIM Piano by Mickey SIM Violin 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