First look at Guitar Hero IV drum set

Game Informer had a article that broke all the Guitar Hero IV news recently, comes the first photograph of the game’s drum set. And after a quick look over, the biggest difference between it and the Rock Band drum set is the addition of the yellow and orange pie wedged “symbols” and use of three other drum pads. We still don’t have the most important piece of information about the kit: If it will be compatible with Rock Band, or if RB‘s kit will work with Guitar Hero IV.(Article)