愛情證書

愛情證書 is a somber song by 孫燕姿 with a tempo of 123 BPM. It can also be used half-time at 62 BPM or double-time at 246 BPM. The track runs 4 minutes and 19 seconds long with a C♯/D♭ key and a major mode. It has low energy and is very danceable with a time signature of 4 beats per bar .