It's "the world’s first playable music video network".
Guitar Hero Live, a reboot for the rock rhythm franchise, offers two different game modes. The Live mode campaign has you playing to real crowds from the band's perspective, while GHTV is a huge content hub that lets you strum your way through hundreds of music videos, with frequent updates promised after launch. To help you navigate the massive song library, content curation will suggest songs in your favourite genres. GHTV is also the place to go to compete with friends, level up your rockstar and unlock new content. It's coming to PS3, PS4, Wii U, 360 and Xbox One (as well as, presumably, the previously announced yet still unspecified mobile devices) on October 20.