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"The Rock Band 2 press release, which included the final set-list for the game, also mentions that Rock Band content from the discs will be transferable to the sequel, but for a price. The release states that \"owners of the original Rock Band will have the ability to export most of the Rock Band disc tracks and upgrade them into Rock Band 2 gameplay-the first time ever in videogame history!\" You will need to pay an unlocking fee to do so, which will be \"under 5 dollars.\"Rock Band 2 will also support full backwards compatibility for any downloadable songs that you may or may not have bought before now."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2008/07/14/rock-band-disc-content-can-be-ported-to-rb2-for-5/>