It depends on which Guitar Hero you are talking about.
yes
There is no "Guitar Hero 4" as of May 25, 2008. However, the 5th installation of the Guitar Hero series, Guitar Hero: Walk This Way, will be available on the PS2.
no individual characters were programmed, go to guitar hero if you want characters.
ya but you may not be able to use the slider
guitar hero guitar hero 2 guitar hero rock the 80's guitar hero 3 guitar hero aerosmith guitar hero world tour guitar hero mettalica guitar hero 5 guitar hero van halen dj hero band hero
There are no Led Zeppelin songs nor characters in any guitar hero game to date.
Guitar Hero 1, Guitar Hero Rock the 80s, Guitar Hero 2, Guitar Hero 3, Guitar Hero World Tour, Guitar Hero Metallica, Guitar Hero Smash Hits, Guitar Hero 5, Guitar Hero Van Halen
Guitar Hero III (Guitar Hero 3)
yes because the have the rock band kiss
Main Titles: Guitar Hero Guitar Hero II Guitar Hero III Guitar Hero: World Tour Guitar Hero 5 Guitar Hero: Warriors of Rock Band-centric games: Guitar Hero: Aerosmith Guitar Hero: Metallica Guitar Hero: Van Halen Expansion Games: Guitar Hero Encore: Rock the 80s Guitar Hero Smash Hits Band Hero DJ Hero: DJ Hero DJ Hero 2 Portable Games: Guitar Hero On Tour Guitar Hero On Tour: Decades Guitar Hero On Tour: Modern Hits Mobile Games: Guitar Hero III: Mobile Guitar Hero III: Back Stage Pass Guitar Hero World Tour Mobile Guitar Hero 5 Mobile Other Games: Guitar Hero Carabiner Guitar Hero Arcade Guitar Hero (iOS)
yes, guitar hero, guitar hero rocks the 80s, guitar hero 2, guitar hero aerosmith, guitar hero 3, and guitar hero world tour. those r in chronological order.
The Guitar Hero guitar will work RockBand for the Wii, but may not work for Beatles: Rock Band.