Question:  Donald Corren is an American Broadway and film actor and screenwriter who created the role of Cosmé McMoon opposite Judy Kaye's Florence Foster Jenkins,  an American socialite and amateur soprano who was known and mocked for her flamboyant performance costumes and what poor ability?
Sentence (from "Florence Foster Jenkins"): Florence Foster Jenkins (born Narcissa Florence Foster; July 19, 1868 – November 26, 1944) was an American socialite and amateur soprano who was known and mocked for her flamboyant performance costumes and notably poor singing ability.
Relevant evidence: Yes