이을 (E.ul) – [꽃샘추위 주의보] [Credit] Composed by 이을 (E.ul), SIM2, Wavycake Arranged by SIM2, Wavycake Written by 이을 (E.ul) Drum, Bass, Piano, Keyboard by SIM2 Guitar by HS Executive Produced by 이준호 @oddinaryrecords Mixed & Mastered by 유재민 @jjammni__ Artwork & Photo by 산곤 @sangon_0