여름이잖아요. Credit Executive Produced by Que station Produced by MY Q Composed by MY Q Lyrics by MY Q Arranged by MY Q Midi programming BY MY Q Guitar by Heo Nil Lim Bass by Si On Yang Vocal by MY Q Chorus by MY Q Recorded & mixed by MY Q at Que studio Mastered by Jung Hwae Do & Jun Park at Soundmax mastering studio Jacket design & Photograph by MY Q Distributed by Universal music Korea