This week Rock Band announced and released it's open beta to the public. The Rock Band Network will allow new features for both contributors and players and you can be one of the first to have access.
I still hate how Sony gets shafted with this. We don't get the full experience. TGSI
Sony has no system setup to make this available to us. The xbox has that XNLA creators club or whatever that allowed users to upload game content. There's no way for us PS3 users to upload files to the PSN.
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