Are all of you Rock Band fans out there ready for some R.E.M. and T. Rex? I hope so because the Rock Band Music Store will be releasing a plethera of tunes to expand your music library a little bit further. You'll be able to snag a three-pack of T. Rex tunes, such as "Children of the Revolution," "Cosmic Dancer," and "Jeepster." R.E.M. lovers, you'll be able to pick up an eight-pack of songs from the band, such as "Driver 8," "It's the End of the World As We Know It (and I Feel Fine)," "Radio Free Europe" and many others.

The Rock Band tracks will be available for download onto Xbox 360, PlayStation 3 and Wii starting on October 5th. The tracks will also be available for download as individual tracks for $1.99 a piece, but for those of you are wanting to get your hands on the actual track packs... you are looking at $5.49 for T. Rex's Pack and $13.49 for R.E.M.'s. Get ready for some good tunes and fun times because these are definitely some songs that you'll want for your library.