The vitriol spewed from Evil Empire, Rage Against The Machine's long-awaited follow up to their 1993 debut, owes much to Chuck D.'s polemic fury and rapid-fire urgency, but backed by the heavy-duty power tools of rock. But no matter if Rage against the Machine amounts to revolutionary rap, protest metal, or a combination of the two, the band's command of sonic rage makes Evil Empire a powerful assault in any musical language.