System Of A Down and Gogol Bordello will be heading out on tour together. Dates below: May 10 Edmonton, AB @ Rexall Place May 12 Vancouver, BC @ Rogers Arena May 13 Seattle, WA @ Key Arena May 15 Mountain View, CA @ Shoreline Amphitheatre May 18 Denver, CO @ Comfort Dental Amphitheatre May 19 Albuquerque, NM @ Hard Rock Casino presents The Pavilion May 22 Las Vegas, NV @ The Pearl