Guitar Hero 7 was the seventh main entry in the Guitar Hero series. It was in development by Vicarious Visions in 2011, but the game was cancelled during the middle of development. Guitar Hero 7 was going to be different from the other Guitar Hero games, but due to a troubled development cycle, the game would've been a disaster. There are rumors that Guitar Hero 7 may eventually be released.
Guitar Hero 7 was going to have six-string guitars, but no vocals or drums. The six-string guitars would look like a Guitar Hero controller with it's strum bar being replaced by six guitar strings and one extra fret on the neck of the guitar.