On Tuesday, April 11 at 7:00pm Ball Presents the 20th Anniversary of Oskar Blues.  Partner sponsors include Zeon, Pro Refrigeration, CanSource, Malteurop, All-American, Hollingbery & Son, NSI, and Draft Magazine.   The event will take place at legendary indie rock club The Black Cat at 1811 14th St, NW in Washington, DC.  The night will begin in the hospitality lounge will tasty food, pour-over coffee, canning demonstrations, and a look back at 20 years of Oskar Blues.  The night will end in the music hall with raging good times fueled by Colorado’s funk-infused favorites, The Motet.