Guitar Hero cheats and cheat codes for Playstation 2

Master code:
Go to the main menu, and quickly enter:
Yellow, Orange, Blue, Blue, Orange, Yellow, Yellow. 
If the code is accepted, you will see amessage.
Note: You cannot save the game if the code is enabled. 

Go to the main menu, and quickly enter the following codes:

Toggle no venues:
Blue, Yellow, Orange, Blue, Yellow, Orange

Air guitar:
Orange, Orange, Blue, Yellow, Orange

Guitarist always plays Guitar Hero SG: 
Blue, Orange, Yellow, Blue, Blue

Monkey audience:
Blue, Orange, Yellow, Yellow, Yellow, Blue, Orange

Skull audience:
Orange, Yellow, Blue, Blue, Orange, Yellow, Blue, Blue

Green rock meter:
Yellow, Blue, Orange, Orange, Blue, Blue, Yellow, Orange. 

Battle Axe:
Finish Career mode in expert mode.

Guitar God rank
Reach a 5 star rating on all songs and bonus tracks in Normal, Hard 
and Expert mode.