Harmonix, MTV Games and Electronic Arts today announced that Rock Band fans and gamers have propelled its downloadable content to 'Six Times Platinum' status, purchasing more than 6 million game levels based on songs since its launch on November 20, 2007. Harmonix and MTV Games also announced the release of a software update this week which features the new in-game Rock Band Music Store. This new feature allows Rock Band players to preview and purchase downloadable individual music tracks and packs from the vast selection of offerings available to date without ever leaving the game as they build their own custom Rock Band library. Check full article for details.