Tenacious D beat Mastodon, Motorhead & Anthrax for 2015 Metal Grammy; AC/DC kick off the awards show (watch)
losers: half of Mastodon w/ Charlie Benate of Anthrax on red carpet (via Charlie)
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:
Beck and Jack White won Rock Grammys tonight. Watch AC/DC's "Rock or Bust" Grammys performance below.