Twisted Sister played its first show with drummer Mike Portnoy (Dream Theater, Adrenaline Mob, The Winery Dogs) as part of the “Metal Meltdown”, an all-new rockin’ series in The Joint at the Hard Rock Hotel & Casino in Las Vegas, Nevada. The event — which also featured performances from Extreme, Skid Row and Great White — was filmed for broadcast, DVD and CD. Watch the video…