Britten's opera Peter Grimes is based on George Crabbe's horrifying poem The Borough about early 19th century Aldeburgh, a North Sea fishing town in East Anglia. Its premiere at Sadlers Wells in 1945, shortly after VE Day, was a landmark moment in British operatic history. Britten's partner Peter Pears – like Britten a pacifist and conscientious objector – was in the title role. Britten and Pears,...