Details
Here is the announcement trailer for the brand new Rock Band game, Rock Band Blitz! A single player game featuring 25 new songs (all exportable into Rock Band 3), it will work with all existing Rock Band Rock Band Network DLC. Available via Xbox Live Arcade and the Playstation Network this summer!
For all the details on the announcement, go here: http://www.rockbandaide.com/15688/rock-band-blitz-debuted-on-x-play/