Mariah Carey, Paramore Battling For No. 1 On Billboard 200

Nick Cannon and Mariah Carey seen during Sean Pecas Birthday Celebration at Pink Elephant on September 23, 2009 in New York City.

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Ask Billboard is updated every week. As always, submit your questions about Billboard charts, sales and airplay, as well as general music musings, to [email protected]. Please include your first and last name, as well as your city, state and country, if outside the U.S.

WHAT SONGS SHOULD'VE BEEN SINGLES?

Hi Gary,

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