More about this programme: www.bbc.co.uk/programmes/b01pbkkf Nobody knows how music began, but we've been making it since prehistory. Lend your ears and eyes for a musical trip down the ages, accompanied by Pythagoras, Beethoven, Thomas Edison and other star turns. From Episode 6 of Dara O Briain's Science Club on BBC Two. Voiced by Dara O Briain, animated by 12Foot6.