4.5 Billion Years Old

4.5 Billion Years Old is a melancholic song by Alan Silvestri with a tempo of 129 BPM. It can also be used half-time at 65 BPM or double-time at 258 BPM. The track runs 4 minutes and 11 seconds long with a G key and a minor mode. It has low energy and is not very danceable with a time signature of 4 beats per bar .