Rhapsody Top Tracks 2009: Lady Gaga Rules, While Kanye and Taylor Duke It Out

Rhapsody turns 10 years old this month, and in celebration we've crunched the numbers and determined our 15 most popular songs for every year we've been alive. Here are our findings.

No idea how we'd lasted so long without her, but here she is, Miss America, showing of her poker face and changing the game. Gaga fought for her headlines, though. Yes, it's time for the great Kanye West/Taylor Swift face-off, the despair of "Heartless" vs. the pining of "Love Story" and "You Belong With Me." He should've let her finish. Plus Flo Rida and Soulja Boy made the case for their longevity, Jason Mraz and Kings of Leon jumped several tiers, The Black Eyed Peas inspired some strong feelings, and Ms. Knowles unleashed one of the greatest videos of all time! All were no match for Gaga and her little monsters, but we appreciate the effort.

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