TheHeroFeed has received evidence from a trustworthy source that FSG is indeed making the next Guitar Hero. Out of respect to the individual TheHeroFeed has not included their employer or their identity.
“I noticed you posted that FSG are hiring for a new music game a while back. It just so happens that I work at a different games company in the general vicinity. I absolutely know for a fact that they’re working on a new GH. I can’t tell you how I know unfortunately, but it should be out around xmas time next year and revealed at e3.“ - Anonymous