Question: Cosmé McMoon was a Mexican-American piano player and composer who lived from Febrary 22nd, 1901 to August 22nd, 1980.  He is famous for his work accompanying a tone-deaf Soprano whose name is also the title of a movie in which Maggie Steed played the part of Mrs. O'Flaherty.  The Soprano and titular character in this movie was an American socialite and amateur singer who was widely mocked for the flamboyant costumes she would wear while performing and her lack of musical talent.  What is the full, given name of this woman?
answer: Narcissa Florence Foster