CARNIVAL OF MADNESS, the annual touring rock extravaganza, will make its roaring return with rock titans EVANESCENCE, CHEVELLE, HALESTORM, CAVO and NEW MEDICINE. Kicking off Tuesday, July 31 in Springfield, IL, the 2012 trek will hit major cities across the U.S. including Boston, Baltimore, Atlanta, Nashville, Detroit, Chicago, Milwaukee and Pittsburgh (see full itinerary including Grand Rapids). Select radio pre-sale tickets will be available beginning Tuesday, May 22; Carnival of Madness fan club members can begin purchasing tickets Wednesday, May 23; artist fan club pre-sales start Thursday, May 24; and general public on-sale begins Friday, June 1. Please note that Halestorm will be performing on the majority of the tour. For more information on purchasing tickets, visit http://carnivalofmadness.com.