Song Metrics
- Key
- D
- Duration
- 1:51
- Tempo
- 132BPM
back number is a very emotional song by Sia with a tempo of 132 BPM. It can also be used half-time at 66 BPM or double-time at 264 BPM.The track runs 1 minute and 51 seconds long with a D key and a major mode. It has low energy and is very danceable with a time signature of 5 beats per bar.