Celebrating Deep Purple's triumphant 2011 Montreux show - Check out this cool video grab from the show! Deep Purple performed on the closing night of Switzerland’s prestigious Montreux Jazz Festival on July 16, 2011, re-imagining their classic catalogue with the help of a symphony orchestra. A treasured memory for fans in attendance, this special 115 minute show is now available for Deep Purple fans around the world, when Mercury Studios re-issues Deep Purple Live At Montreux 2011, which will be