We promised you a great Summer Slam next year, and we can now say that it will be more than just groundbreaking, it's going to be apocalyptic! Testament joins Lamb of God as co headliner in Pulp Summer Slam 10 "The Apocalypse" next year April 17, 2010. The legendary heavy metal band will come show us what they're all about and make old school fans' dreams come true in an 80 minute performance at the country's biggest rock festival.