Rock Band - Platform: Xbox 360

All songs:
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At the "Press Start" screen, press Red, Yellow, Blue, Red(2), Blue(2), Red, 
Yellow, Blue to unlock all songs. Alternately, press Y, B, X, Y(2), X(2), Y, B, 
X on a controller. Note: This code disables saving.

Bonus instruments:
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Successfully complete the indicated task to unlock the corresponding instrument:

  Gold drum kit: Successfully complete Solo Tour mode on drums.
  Gold Fender American Deluxe Stratocaster HSS guitar: Successfully complete 
  Solo Tour mode on guitar.
  Gold Fender bass: Successfully complete Solo Tour mode on bass.
  Gold microphone: Successfully complete Solo Tour mode on vocals.
  Silver drum kit: Successfully complete the Bonus Tour in Solo Tour mode on 
  drums.
  Silver Fender American Deluxe Stratocaster HSS guitar: Successfully complete 
  the Bonus Tour in Solo Tour mode on guitar.
  Silver Fender bass: Successfully complete the Bonus Tour in Solo Tour mode on 
  bass.
  Silver microphone: Successfully complete the Bonus Tour in Solo Tour mode on 
  vocals.
  Transparent drum kit: Reach the Hall Of Fame on drums.
  Transparent Fender Bass: Reach the Hall Of Fame on bass.
  Transparent Fender American Deluxe Stratocaster HSS: Reach the Hall Of Fame on 
  guitar.
  Transparent microphone: Reach the Hall Of Fame on vocals.