Tenacious D stopped by 'The Daily Show' last night (6/29) and rocked Jon Stewart's face off. “Does it hurt to rock that hard,” he asked the two. Black’s answer was short and sweet: “It can, but we’re trying to save the human race.” Watch the duo along with their backing band perform two new cuts off 'Rize of the Fenix', called "Deth Starr" and "Throwdown": (via The Audio Perv)