快樂不快樂

快樂不快樂 is a melancholic song by At17 with a tempo of 79 BPM. It can also be used double-time at 158 BPM. The track runs 3 minutes and 47 seconds long with a G♯/A♭ key and a major mode. It has low energy and is not very danceable with a time signature of 3 beats per bar .