Alex Rigopulos, CEO at Harmonix, has announced during E3 that they plan to release new Rock Band content every week. There will even appear whole albums on Xbox Live and the PlayStation Shop! The Who’s ‘Who’s Next’ will be the first available song for download after the launch of the game.

Another interesting bit of info is that Metallica gets a role in this Rock Band for PlayStation 3, Xbox 360 and the Nintendo Wii as well. Enter Sandman will be in the game and after the release of the game there will be extra downloadable songs of the band available.