See the making of Deadmau5’s live production in new behind-the-scenes video Deadmau5's new visual production, Professional Griefers, has been wowing audiences across America seeing the Meowington Hax tour. Check out how it came together in this new behind-the-scenes video. Related Posts: Mat Zo’s shares live version of ‘Problems’ featuring Olan [Watch] deadmau5 uploads ‘flow and focus’ playlist to Calm meditation app