29th January 1972: American keyboardist Billy Preston in London following the release of his new single 'I Wrote A Simple Song'. Preston played with countless stars including Sam Cooke, the Beatles and Sly and the Family Stone. (Photo by Ian Showell/Keystone/Getty Images)
British musicians Paul McCartney and George Harrison (1943 – 2001) of the Beatles performing on stage at the London Palladium, UK, 13th October 1963. (Photo by Edward Wing/Daily Express/Hulton Archive/Getty Images)
