And since neither the PS4 or Xbox One support this framework, porting these tracks over means recharting all of them specifically for Rock Band 4 - which opens up a whole new can of licensing worms. Once Microsoft stopped supporting XNA, RBN all but shut down.

XNA was a programming language created by Microsoft specifically to enable easy game creation on PC and Xbox 360. The issue stems from the XNA framework these tracks used when RBN was active. RBN features over 2000 tracks from a wide variety of indie and major artists, from all corners of the globe - and as of launch, none of these tracks are making their way into Rock Band 4. Next, we leave the list of instruments that Harmonix has been commissioned to test successfully, those that will be fully compatible with Rock Band 4 for the new generation of consoles (both guitars and drums).In addition to the main offering of DLC tracks that Harmonix themselves licensed and released, there was also a massive library of independently-created and published tracks made available in the Rock Band Network. Starting to play has never been so quick, even in the highest volume bookstores, ”they comment. “You will notice an obvious improvement in the performance of both consoles, especially in load times. Harmonix also anticipates in this new statement that the performance of the game will be better than on PS4 and Xbox One thanks, to a large extent, to the SSD storage memory, which will reduce the loading times and the waits between each song and concert. Rock Band 4 will improve on PlayStation 5 and Xbox Series X | S

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