Details have surfaced about the Sounds of the Underground Tour. The tour is expected to run from June 25th through late July and will feature numerous rotating acts over the course of the tour. Advance ticket prices are expected to run under $30. Here is the lineup: Lamb Of God (co-headliner) Clutch (co-headliner) Poison The Well Opeth Unearth From Autumn To Ashes Chimaira Gwar Norma Jean Every Time I Die Strapping Young Lad Throwdown High On Fire DevilDriver All That Remains A Life Once Lost In addition, Madball will be covering all east coast dates, while Terror will be handling the those on the west coast. The Red Chord, Fear Before the March of Flames and Himsa will also appear on select dates. One additional headliner is expected to be announced shortly.