Create a new profile of the PS3, load it and then load the game.
Yes you could because you will still need a guitar to play so yes. unless you want a wireless guitar
no the Dual Shock 3 controller is Bluetooth and the PS2 does not have Bluetooth, although it would still not work for other reasons
If your PlayStation 3 can play PS2 games, just put your PS2 disc in. However, these games were never released for the PS3.
I think you mean tune. You simply find out what the note e sounds like then you put your finger on the fifth fret and play it. this will give you the sound of the next string. you keep repeating that cycle until you come to the g string. Then you press the fourth fret. After that you repeat the normal cycle.
Yes
Yes, it works for all the Guitar heroes that came after Guitar Hero 3
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Yes and Yes.
if you have the 60gb model of the PS3 which includes backwards compatability then yes it should work
yes
Yes, it should.
I don't believe you can use the PS3 Guitar Hero controller on the PC to play anything
yes
u cannot use the gh3 guitar for ps2 for the PC
Yes.
haven't played guitar hero in years but for PS3 I know it was the Ls and Rs with one button on the face of the controller. That was the case for guitar hero 3