Up to the Challenge
|Won a Player Challenge.|
You can do this in one of two ways, though both require you to be connected to LIVE. Go to the challenges section from the main menu and you will see the scores that your friends have flaunted as well as challenges from Harmonix. To unlock this, you can either play the song and beat the score that your friend has flaunted or play and beat the song posted by Harmonix with the required score. The second option would usually be easiest.
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User Score is based on 32 user ratings.