Hellyeah is the debut album by the heavy metal band Hellyeah, featuring various members of Pantera, Mudvayne, Damageplan and Nothingface.According to MusicMight, the band finished album recordings in January 2007, and the single "You Wouldn't Know" went to U.S. radio in late February. This is the only album to feature original bassist Jerry Montano. The album debuted at #9 on the Billboard 200, selling 45,000 copies in its first week. As of September 26, 2007, it has sold 188,670 copies in the U.S.