你有多久没有笑了

你有多久没有笑了 is a somber song by 赵鑫 with a tempo of 144 BPM. It can also be used half-time at 72 BPM or double-time at 288 BPM. The track runs 3 minutes and 47 seconds long with a D key and a minor mode. It has low energy and is somewhat danceable with a time signature of 4 beats per bar .