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15th February 1967: Paul McCartney conducts a 41 piece orchestra during recording sessions for the Beatles' forthcoming album, 'Sergeant Pepper's Lonely Hearts Club Band'. (Photo by Larry Ellis/Express/Getty Images)

15th February 1967:  Paul McCartney conducts a 41 piece orchestra during recording sessions for the Beatles' forthcoming album, 'Sergeant Pepper's Lonely Hearts Club Band'.  (Photo by Larry Ellis/Express/Getty Images)