Which opera has more acts, Einstein on the Beach or Owen Wingrave?
Owen Wingrave Owen Wingrave, Op. 85, is an opera (originally written for a televised performance) in two acts with music by Benjamin Britten. The libretto is by Myfanwy Piper, after a short story by Henry James.
Peter Grimes Peter Grimes is an opera by Benjamin Britten, with a libretto adapted by Montagu Slater from the narrative poem, "Peter Grimes," in George Crabbe's book "The Borough". The "borough" of the opera is a fictional village which shares some similarities with Crabbe's, and later Britten's, own home of Aldeburgh, a town on England's east coast.