外公的口琴

外公的口琴 is a somber song by 王笠人 with a tempo of 125 BPM. It can also be used half-time at 63 BPM or double-time at 250 BPM. The track runs 4 minutes and 5 seconds long with a G key and a major mode. It has low energy and is somewhat danceable with a time signature of 4 beats per bar .