你為什麼那麼快樂

你為什麼那麼快樂 is a somber song by Rachel Liang with a tempo of 94 BPM. It can also be used double-time at 188 BPM. The track runs 3 minutes and 46 seconds long with a A♯/B♭ key and a major mode. It has average energy and is very danceable with a time signature of 4 beats per bar .