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The Beatles: Rock Band
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Authenticity trophy in The Beatles: Rock Band

Authenticity

Finish any song as a Bassist with Lefty Mode turned on, hitting at least 50% of the notes.

Authenticity0
Online/Offline - These trophies can be obtained in either an online or offline mode.Single Player - These trophies can be obtained by a single player.Cooperative - These trophies can be obtained by two or more players in a cooperative game mode who have met the trophy requirements.External Content - These trophies require content outside the game or input devices other than the system default.
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