♪ Our whole universe
was in a hot, dense state ♪
♪ Then nearly 14 billion years
ago expansion started... Wait! ♪
♪ The Earth began to cool ♪
♪ The autotrophs began to drool,
Neanderthals developed tools ♪
♪ We built the Wall ♪
♪ We built the pyramids ♪
♪ Math, Science, History,
unraveling the mystery ♪
♪ That all started
with a big bang ♪
♪  Bang! ♪
*THE BIG BANG THEORY*
