Lots of musicians tweet -- but all that Twitters is not gold.

That's why you'll want to check out SPIN.com every Friday to see whose tweets we're reading this week -- then update your TweetDeck! (Obligatory Self-Promotion: ...while you're at it be sure to follow @SPINmagazine!)

This week's winners:

In a week when the big news was the death of Michael Jackson, some of music's biggest stars were still making headlines: Chris Brown pled guilty to assaulting Rihanna, Marilyn Manson discussed $200K drug budgets, and Black Eyed Peas frontman Will.i.Am's entourage exchanged words -- and, allegedly, fists -- with gossip b

The Roots debuted the title track from their upcoming album, How I Got Over, last night on Late Night With Jimmy Fallon, where they also serve as the house band.

The lineup for this year's installment of the Rock the Bells festival has been unveiled, and it's jam-packed with top-notch artists: Nas, Damien "Jr. Gong" Marley, the Roots, Common, and Big Boi of Outkast are just a few of the acts billed for the traveling hip-hop event.

A formidable slew of today's finest artists -- including TV on the Radio, the Roots, and Nas -- have re-imagined classic tunes by the late crooner Nat King Cole for a new compilation in memory of his legacy.

Get ready, Paul Shaffer, you're going to have a little competition: Drummer extraordinaire ?uestlove, whose band the Roots are allegedly set to act as the house band for NBC's Late Night when Jimmy Fallon takes over for Conan O'Brien in 2009.