MoonGeonHui [Breathe, Sleep Away] Just Sleep Away [Credit] Lyrics by MoonGeonHui Composed by MoonGeonHui Arranged by MoonGeonHui,SimYeongSe Vocal by MoonGeonHui,JunJiHyeon Nylon Guitar by MoonGeonHui Electric Guitar by SimYeongSe Mixed by Michel, The Siyoung Parker,MoonGeonHui Mastered by Michel, The Siyoung Parker