Credit Excutive Producer 설 Produced by 설 Lyrics & Composed by 설 Vocal by 임연 Piano by 정설 Ac. Guitar by 박상범 (Nathan Park) E. Guitar by 박상범 (Nathan Park) Bass by ZonJohn Drum by 이호영 Strings by 정설 Recorded by 설 (at MBR Music Studio) Mixed, Mastered by Sean Yun (at HIA Music Studio) Art Direction & Design : 윤다혜, 윤수정