Today, Harmonix officially announced that the Rock Band disc export, the update that allows most all Rock Band songs to be available in Rock Band 2, is now available for download off the XBLM. Though, it doesn't really do anything until Rock Band 2 releases. The disc export update will set you back 400 Microsoft points ($5) and will import 55 of the Rock Band songs into the game sequel. 55 songs seem a little light? Well, you're correct. Sadly, "Enter Sandman" by Metallica, "Paranoid" by Black Sabbath, "Run to the Hills" by Iron Maiden and the European exclusive "Monsoon" by Tokio Hotel will not be a part of the transfer. We can only speculate to why a re-license agreement couldn't be made.

This article was originally published on Joystiq.

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