開口笑一笑

開口笑一笑 is a upbeat song by Tampines Primary School Choir with a tempo of 124 BPM. It can also be used half-time at 62 BPM or double-time at 248 BPM. The track runs 2 minutes and 56 seconds long with a B key and a major mode. It has average energy and is very danceable with a time signature of 4 beats per bar .