It's freezing outside, but here at SPIN.com HQ we're combating frostbite with hot new tracks courtesy of our favorite artists, including Justin Timberlake, Neil Young, the Decemberists, and Kelly Clarkson, all of which were unveiled just this week. Throw in news about Metallica, Lil Wayne, and Ryan Adams, and 2009 is shaping up to be a pretty hot year -- take that Old Man Winter!

Singer-cum-restauranteur Justin Timberlake is back with new music. Following his recently leaked collaboration with T.I. is "Bigger Than the World,"which you can hear below!

Justin Timberlake and British pop singer Leona Lewis are making plans to cover Dolly Parton's classic tune "I Will Always Love You," reports the Sun.

Having worked together previously on "My Love," Justin Timberlake and T.I. reprise their duet duties with their new funk-infused track "If I."

Shocker! When you're rich and famous, people want your money and are willing to go to court for it. And now the King of Pop, Prince, and Justin Timberlake are suiting up, consulting their lawyers, and getting ready to duke it out before the judge.

Everyone takes notice when music heavyweights start talking smack. But what about when those trash talkers decide to play nice?  Below, a recent collection of musical kindness. Can it be that Barack Obama is inspiring everyone?