Things You'll Need
Instructions
Insert the "Rock Band 2" disc into the PlayStation 2 game console and allow the game to load.
Use the strummer button on your guitar to highlight "Extras" from the main menu and press the green fret button to select this option.
Highlight the "Game Modifier" option and select by pressing the green fret button.
Enter the unlock code by pressing the colored fret buttons in the specified order. Press red, yellow, blue, red, red, blue, blue, red, yellow and blue fret buttons in sequence.
Access any of the available song titles for play. Once the code is activated, the game cannot be saved and activation is required each time the game is restarted.