Ferret Music, Prosthetic Records, Trustkill Records, Metal Blade Records, Music Choice, Revolver, PureVolume, and Hot Topic are joining forces to put together a summer tour package dubbed the Sounds Of The Underground Tour. The tour will run from June 25th through the end of July in the U.S. and Canada. The following bands have been confirmed thus far:

Clutch
Poison The Well
Opeth
Unearth
From Autumn To Ashes
Chimaira
Norma Jean
Every Time I Die
Strapping Young Lad
Throwdown
High On Fire
DevilDriver
All That Remains
A Life Once Lost

Meanwhile, a special half-time performance will be made by Gwar midway through the show. Additionally, Madball and Terror will be splitting the East and West portions of the tour. Finally, additional appearances will be made by The Red Chord (East Coast markets), Fear Before The March Of Flames (Midwest and Southeast markets), and Himsa (Western markets). One additional headliner will be announced within the next few weeks.

Here's a quote from Clutch frontman Neil Fallon regarding the tour: "I look forward to the catering tents and excited youth groups. Leave your styling gel at home. Marshall stacks and mag lights all the way around! Sign me up and give me all your drink tickets."