losers: half of Mastodon w/ Charlie Benate of Anthrax on red carpet (via Charlie)
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tonight when the 2015 winner for Best Metal Performance was...
Tenacious D, who beat out Mastadon, Motorhead,
Anthrax, and Slipknot for the award. Tenacious D dedicated the award to the album's inspiration, Ronnie James Dio, who lost his battle with cancer

Speaking of AC/DC, the Grammys kicked off with the Australian hard rock legends, performing a new song "Rock or Bust," then "Highway to Hell"... with a little help from the TelePromter:

(via)
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Beck and Jack White won Rock Grammys tonight. Watch AC/DC's "Rock or Bust" Grammys performance below.

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