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.
Troubled Island Troubled Island is an American opera in three acts composed by William Grant Still, with a libretto begun by poet Langston Hughes and completed by Verna Arvey. She married the composer following their collaboration.