Renée Fleming is an opera singer whose signature roles include Countess Almaviva in Mozart's Marriage of Figaro and Violetta in Verdi's La traviata. She has also lent her voice to The Lord of the Rings: The Return of the King soundtrack and performed at We Are One: The Obama Inaugural Celebration at the Lincoln Memorial.

She appeared on Sesame Street singing a rendition of "Caro nome" from Verdi's Rigoletto with lyrics about counting. (First: Episode 3977)