깜깜한 하늘은 누군가에게 하루의 끝이고 누군가에게는 하루의 시작이다. 1. 끝나면 Lyrics by Jack Jack Composed by Jack Jack Arranged by Jack Jack Chorus Jack Jack [Credit] Produced by Jack Jack (잭잭) @jack_jack_0219 Recorded by Jack Jack (잭잭) @jack_jack_0219 Mixed by Jack Jack (잭잭) @jack_jack_0219 Mastered by 권남우 @kwonnamwoo (821 Sound Mastering) Photo by 형아