Rolling Stone has landed in Manchester, Tennessee and already has footage from Bonnaroo 2008's first great sets by Vampire Weekend and MGMT. Click above to get a first look at the sun-baked scene and watch MGMT recall the harrowing bad mushroom trip (in a Port-A-Potty!) that nearly marred last year's fest.
• Bonnaroo Video: Vampire Weekend Launch Fest, MGMT Talk Mushrooms