Harmonix and MTV Games announced that Rock Band tracks from artists like Average White Band, Earth, Wind & Fire and James Brown will be available starting March 17th, 2009, for the Xbox_360 and March 19th, 2009, for PLAYSTATION 3. Each individual track will be available for $1.99 (160 Microsoft Points), while the Get the Funk Out 01 pack costs $5.49 (440 Microsoft Points). Check the press release for details on these upcoming tracks.