曾經為了什麼快樂?

曾經為了什麼快樂? is a melancholic song by 黃小琥 with a tempo of 139 BPM. It can also be used half-time at 70 BPM or double-time at 278 BPM. The track runs 5 minutes and 30 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 5 beats per bar .