Ever since Sunday, Rock Band 2 has been the talk of the town. Xbox 360 owners have been digging deep into the game's new set list, as well as the online battle of the bands, instrument challenges, and revamped World Tour mode. You'd think that maybe we've all started to forget about a little franchise known as Guitar Hero, but according to Activision CEO Bobby Kotick, you'd be wrong. He would like to take a moment to remind you that Guitar Hero is still the world's number one music franchise.