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X + X + Left + Left + R3 + R3 + Right + Right

Unlock Freq Parts

Beat the boss song of any level to unlock extra Freq pieces.
Letter used for this cheat: A

• 1 24 : The Game
• 2 50 Cent : Bulletproof
• 3 Airblade
• 4 Arena Football
• 5 007 : Agent Under Fire