From Eminem to Dylan: Which performances shined and which ones sank?
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Muse had their own mysterious, cloaked, stage-crashing mini-resistance to "Resistance" while dancing martial artists encouraged the prospect that Justin Bieber may get whapped in the head on accident on national television. Usher's whole getup lately -- from the VMAs to the Super Bowl to his Grammy performance -- has him all wrapped up and making militaristic, ninja-like moves. Arcade Fire could've probably rented out some ninjas and put 'em on bikes.
Ninjas: what can't they do?