Executive Porducer DOWNTOWN E&M (정재섭) Music Producer by YOUNGKUT Composed by : CashNote . YOUNGKUT Lyrics by YOUNGKUT . Blocka Arranged by CashNote Chorus O Jey Mix engineer by조준성 JO JUN SUNG (@WSOUND) Assi engineer by허은숙 HEO EUN SOOK, 황민희 HEANG MIN HEE Mastered by 권남우 @ 821 Sound Mastering Art Director 한민교