행복하자 우리 [credit] Lyrics by 교야, 과니, 정화 Composed by 교야 Arranged by FADEIN Midi by FADEIN Synth by FADEIN Drum by FADEIN Bass by FADEIN Recorded by 30대 공기웅 @그냥해 스튜디오 Mixed by 30대 공기웅 @그냥해 스튜디오 Mastered by 30대 공기웅 @그냥해 스튜디오 Artwork by 너씨