Denyce Graves
From Muppet Wiki
Denyce Graves and Elmo
Denyce Graves (b. 1963) is an opera singer.
Graves appeared on a 2004 episode of Sesame Street, singing an Operatic Lullaby (a version of "La Habanera" from Carmen) to Elmo.
She also sang "Sing" on a 2007 episode, with a penguin.
