You can use the Guitar Hero 2 PS2 SG on Guitar Hero 3 PS2 and you can use the GH2 X360 Explorer on GH3 X360, but those are the only two compatible options.
Yes they do as long as they are both used for the same gaming system as one another.
Only with World Tour and Aerosmith,
Below Is a Link Showing the compatibility of all the Guitars. http://www.joystiq.com/instrument-compatibility-matrix/
Yeah it does. But it might lag a little. Slight possobility it will lag.
Yes. all guitar hero guitars should work.
Yes. The Guitar is compatible with both guitar hero 2 and 3. Also, the guitar hero guitar on xbox 360 is compatible with rock band for xbox 360.
yes
The game is compatible with any guitar
Yes they are =)
Yes it is compatible with GH 5.
Yes, they are compatible with one another.
Yes any guitar is compatible with any game
Yes, I did it just yesterday.
Yes they are 100% compatible.
The Guitar Hero III guitar is completely compatible with Guitar Hero: World Tour provided you're still using it with the Wii.
i believe so
Yes, all Guitar Hero guitars are compatible with every guitar hero.