Top Downloads 2009

Presenting a collection of 15 hot singles that are the highest-ranking downloads of 2009, from artists such as Kings of Leon, Katy Perry, and Taylor Swift. Songs: Battlefield * Big Green Tractor * I Gotta Feeling * Knock You Down * Love Drunk * Lovegame * Never Say Never * New Divide * Obsessed * Party in the U.S.A. * Send It On * She Wolf * Use Somebody * Waking up in Vegas * You Belong with Me.