From the Black Eyed Peas to Lady Gaga to Kings of Leon, 2009 proved to be a big year for music.  DJ Earworm is back with what he does best–mashing together the top 25 Billboard hits of the past year.  Watch “The United State of Pop 2009 (Blame It On the Pop)” above and download it for free here.  Oh, and look after the break for the full listing of songs used in it.  It’s been one wild year for music, indeed!

[Via EW-MusicMix]

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