가끔은 매끄럽게 지나가기로 해 JACKINGCONG Vocal / Trumpet 심강훈 Kanghun Guitar 이범호 Bemo Keyboard / Synthesizer 고서원 Seowon Bass 신유동 Yoodong Drums 장세훈 Sehun Composed by 잭킹콩JACKINGCONG Lyrics by 심강훈 Kanghun Arranged by 잭킹콩JACKINGCONG Produced by 잭킹콩JACKINGCONG Recorded by 잭킹콩JACKINGCONG Drums recorded by 오혜석 @M.O.L studios Vocal edited by 김다니엘 @We are not 0.00 Mixed by DongDong Mastered by 전훈 @SONICKOREA Artwork by suri park