Arena presents the first feature-length profile of Britain's most celebrated music producer - Sir George Martin. He began with The Goons, Rolf Harris and 633 Squadron. In 1962 he signed The Beatles: together they changed the world. Since then he's produced music's biggest names. This rich and intimate portrait follows Sir George at 85, with his wife Judy, son Giles, Sir Paul McCartney, Ringo Starr, Michael Palin, Rolf Harris and Cilla Black among the illustrious contributors. "Produced by George Martin" will air on BBC-2 on Saturday April 23rd. A special preview screening takes place April 13th at the British Film Institute's "National Film Theatre" on London's South Bank.