Mastodon singer-guitarist Brent Hinds broke the sad news via Instagram.
Plus: Ozzy Osbourne, Run the Jewels, Mastodon, Gojira, and Eagles of Death Metal.
Rob Zombie, Rise Against, Gojira, Eagles of Death Metal, and Stone Sour also confirmed for the Louisville hard rock festival.
Plus: Neurosis, Swans, Carcass, Sleep, Corrosion on Conformity, Melvins, Chelsea Wolfe, and many more.
Heavy metal outfit have a busy year ahead of them.
Avenged Sevenfold, Volbeat, and Gojira to provide support.
Solange, Cage the Elephant, and Flume also among this year’s winners.
The only thing we know for sure about the Grammys is that nothing is certain.
Devin Townsend Project and Russian Circles will also play the gig at the Electric Factory.
Lineups also revealed for sister festivals Fort Rock and Welcome to Rockville.
Plus: Bon Iver, The xx, Van Morrison, Grace Jones, Solange, Run the Jewels, Miguel, Mac DeMarco, Japandroids, and many more.
These heavy albums both captivated and offered solace throughout a harsh year.