During a game press L1, L1, R2, R2, Right, Down, Circle, Left, Up, Square.
Unlock All Songs
At the main title screen press Square, Trangle,
Down, Left, Up, Right, L2, R2, Start. Be sure to
enter it fairly quickly. If you enter it
correctly you will get a message saying you
cannot save after that point until you reset the
game and autosave will be turned off.