Dallas-based heavy metal supergroup Hellyeah, which consists of Mudvayne lead vocalist Chad Gray, Nothingface guitarist Tom Maxwell, and former Pantera and Damageplan drummer Vinnie Paul, and who are expected to release their fifth studio album, Unden!able, on June 3 via Eleven Seven Music, performed at The Commodore Ballroom last night with Texas-based groove metal band Sons of Texas