Harmonix and MTV Games have unleashed Rock Band 3, their new music game platform to the USA. The game is available now for the Xbox 360, PlayStation 3, Wii and the DS, and will be available in many other territories on October 29th. The game features 83 songs right out of the box with such artists as Phish, Anthrax, and a whole lot more. Rock Band 3 is also fully-compatible with the Rock Band Music Library, which currently has over 2,000 songs in its vault.