Here are some cheat codes i thought u might be interested in for Guitar Hero World Tour on PS3
Key:
G=Green R=Red Y=Yellow B=Blue O=Orange
Hyperspeed: G, B, R, Y, Y, R, G, G
Aaron Steele(character) B, R, Y, Y, Y, Y, Y, G
Nick(character) G, R, B,G, R, B, B, G
Johnny Viper(character) B, R, B, B, Y, Y, Y, G
Rina(character)B, R, G, G, Y, Y, G