I don't remember where they played it but I am 100% sure that they did.
I remember Glen Tipton chugging one note over and over again, I said 'what the fuck?' and then remembered that it was Dissident Agressor as soon as the main riff kicked in
6/28 Meh-hem Fest
7/9-7/16 Van Halen :|
7/25 Alice in Chains?