Grammys 2015: Charli XCX, Wayne Coyne, Eric Church and More Predict the Winners
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Charli XCX, Patrick Carney, Eric Church, and Wayne Coyne. Robin Marchant/Getty Images for ESPN, Jason Squires/WireImage, Daniel Boczarski/MSBB14/Getty Images for Blackbird Productions, Ethan Miller/Getty Images

Is this Iggy Azalea's year, or could Sam Smith pull off a sweep? Who rocked harder, Beck or U2? And we can't count out Taylor, right? Our expert panel of artists predicts the top winners in six categories.