yes
Yes, but not the drums (but a guitar hero drums will work on a rock band game)
Yes, Guitar Hero 2 controller will work in any other guitar hero game same as guitar hero world tour controller can work on any guitar hero game, But you cant use xbox360 controller on another console guitar hero game.
Yes. Any of the "Rockband" or "Guitar Hero" guitars will work for "Guitar Hero".
No, for example a Guitar Hero 2 guitar will work for Guitar Hero 3. However for the guitar to work it must be for the same system. A xbox 360 guitar will only work on a 360.
IT does for Guitar Hero 3, World Tour and Metallica. Not for Guitar Hero 2
No, but in Guitar Hero 5 it works!
No it wont work
Yes they are compatible with any Guitar Hero game
Yep!!!
yes
It should work for any Guitar Hero game for the PS3.