Question: Ben Moore, is an American composer whose works include art song, musical theatre, cabaret, chamber music, choral music and opera, his song cycles include which song, commissioned by the Marilyn Horne Foundation, Horne was an American mezzo-soprano opera singer?
Sentence (from "Richard Bunger Evans"): Evans has composed and performed music for opera and musical theatre, piano, art songs, prepared piano, choral music, string orchestra and chamber music.
Relevant evidence: No