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 "Ben Moore (composer)"): His song cycles include "So Free Am I" commissioned by the Marilyn Horne Foundation, "Ode to a Nightingale" and "Dear Theo".
Relevant evidence: Yes