Activision's also showing off its new premiere content a bit, which lets you (for instance) play songs over official music videos, or otherwise keeps a steady stream of content flowing into Guitar Hero Live. I still don't really know what's free and what's paid in this category, or how often Activision will add new songs, but it's definitely a key selling point for Guitar Hero Live--assuming it doesn't cost much (if any) money, a steady stream of new content could be a huge boon for a genre that's traditionally been mired in DLC.
I'm actually glad to see Guitar Hero head back to its guitar roots, because it means these games are...slightly less competitive. Rock Band 's doing some amazing things--particularly bringing across all the old peripherals and songs, and those amazing freeform solos. And Guitar Hero is bringing a more realistic-feeling guitar peripheral and a (supposedly) endless supply of content.
Either way, we stand on the edge of a plastic instrument renaissance.
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