為妳寫首R&B

為妳寫首R&B is a somber song by Keril 韋喆 with a tempo of 176 BPM. It can also be used half-time at 88 BPM. The track runs 3 minutes and 41 seconds long with a A♯/B♭ key and a major mode. It has average energy and is very danceable with a time signature of 1 beat per bar .