'긴 여름에도 쉽게 녹지 않았으니' [CREDIT] Executive Produced by 길지컴퍼니 Produced by 김지훈, 김길중 Lyrics by 김지훈, 김길중 Composed by 김지훈 Arranged by 김지훈 Piano by 한성은 @AimStrings Strings by 한성은 @AimStrings Recorded by 김태용 @Studio AMPIA Mixed by 최우재 @Studio AMPIA Mix assit by 김태용 Mastered by 강승희 @Sonic Korea M/V Directed by 김지훈 Art Directed by 김길중