Mercedes and Rachel team up for this duet of "Out Here on My Own." The single is taken from the show FAME.
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Mercedes and Santana teamed up for "The Boy is Mine" on the 5/11/10 episode of Glee. Listen to this audio version of the single and, simply put, enjoy.
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Take it away, Mercedes! In this clip from Glee, the character busts into a version of Jazmine Sullivan's "Bust Your Windows."
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Glee Quotes

Not everyone is gonna have the walnuts to take a pro-littering stance. But I will not rest until every inch of our fair state is covered in garbage.

Sue

I'm gonna miss all of you. I love you guys.

Puck