Slipknot Nominated for “Best Metal Performance” Grammy Award Posted on December 18, 2014 by admin Leave a comment Slipknot have been nominated for the 2015 Grammy Awards (7/8 February 2015) in the category of Best Metal Performance with the song “The Negative One” from .5: The Gray Chapter. See the other nominees here. Advertisements Share this:FacebookTwitterTumblrLinkedInGoogleEmail Related