With Sacrament, the leaders of the underground make their bid for the heavy metal crown.
In the midst of 2006's Unholy Alliance tour, Lamb of God guitarist Mark Morton took a few minutes to interview Slayer's Kerry King and Jeff Hanneman.
What's that distant rumble? It's the fast-approaching sound of the biggest, baddest, most-aggressive guitarists in underground metal. Lamb of God, Trivium, Mastadon and many more offer the dirt.