The music-game genre has come a long way since that first Guitar Hero was released for the Playstation 2 in 2005. But every step of the way, musical purists have always complained that a player’s time would be better spent learning a real instrument instead of its plastic counterpart. So with this in mind developer Harmonix have answered this complaint with Rock Band 3, and how? Well, it can now teach you how to play, provided you have the desire (and the cash) to add yet another set of instruments to your collection.