Plot: Part of the Promenade Concert recorded at the Royal Albert Hall to celebrate the seventy-fifth birthday of The Master of The Queen's Musick, Sir Arthur Bliss. John Ogdon is soloist in Bliss's Piano Concerto (1939) Written for the 1939 New York World's Fair with the BBC Symphony Orchestra Leader, Hugh Maguire Conducted by Sir Arthur Bliss Before the concerto Sir Arthur and Lady Bliss, in conversation with Richard Baker, recall some of the memorable events in their lives