Can you use more than 3 guitars in Guitar hero at any one time?

I'm guessing for the category you have it on Xbox 360, but I'll answer for everything anyway. for PS2 you can't without the external Adapter and edited software, for Xbox you can, for Xbxo360 you can, for Wii you can and for PS3 you can.

of course, this is only for Guitar Hero world tour, as there would be no point having 2+ Guitars on any other console anyway, as they only have 2 playable parts, and only one can play each part at a time.