Unlock Everything (no sound will play while you enter the code):
     At  the  cheat  menu,  enter  G+R+B+O, G+R+Y+B, G+R+Y+O, G+B+Y+O,
G+R+Y+B,   R+Y+B+O,   G+R+Y+B,  G+Y+B+O,  G+R+Y+B,  G+R+Y+O,  G+R+Y+O,
G+R+Y+B, G+R+Y+O.

Air guitar:
     At  the cheat menu, enter Y+B, G+Y, G+Y, R+B, R+B, R+Y, R+Y, Y+B,
G+Y, G+Y, R+B, R+B, R+Y, R+Y, G+Y, G+Y, R+Y, R+Y.

Hyperspeed:
     At the cheat menu, enter O, B, O, Y, O, B, O, Y.

Precision mode:
     At  the cheat menu, enter G+R, G+R, G+R, R+Y, R+Y, R+B, R+B, Y+B,
Y+O, Y+O, G+R, G+R, G+R, R+Y, R+Y, R+B, R+B, Y+B, Y+O, Y+O.

Unlock all songs:
     At  the cheat menu, enter Y+O, R+B, R+O, G+B, R+Y, Y+O, R+Y, R+B,
G+Y, G+Y, Y+B, Y+B, Y+O, Y+O, Y+B, Y, R, R+Y, R, Y, O.

Performance mode:
     At the cheat menu, enter R+Y, R+B, R+O, R+B, R+Y, G+B, R+Y, R+B.

No Fail (does not work in career mode):
     At  the  cheat menu, enter G+R, B, G+R, G+Y, B, G+Y, R+Y, O, R+Y,
G+Y, Y, G+Y, G+R.

Easy Expert (does not work in career mode):
     At the cheat menu, enter G+R, G+Y, Y+B, R+B, B+O, Y+O, R+Y, R+B.

Bret Micheals Singer:
     At the cheat menu, enter G+R, G+R, G+R, G+B, G+B, G+B, R+B, R, R,
R, R+B, R, R, R, R+B, R, R.