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Will.i.am & Britney, or Kelly? To choose the winner of this year's competition, check out the updated bracket of songs, and vote for your favorite track in the head-to-head match-up below!

Buzzmedia -- the online publisher which owns such websites as Stereogum, Hype Machine, Brooklyn Vegan, Celebuzz, Idolator, XLR8R, and dozens of others -- rebranded itself SpinMedia this morning, taking its name from Spin Magazine, which they acquired last year.