Madam's Organ Blues Bar is a restaurant and nightclub located at 2461 18th Street NW in Washington, D.C.'s Adams Morgan neighborhood. A local landmark, the bar is popular for its nightly live music, especially blues and bluegrass. Regular performers include Bobby Parker, Ben Andrews, Catfish Hodge, and Bob Perilla & Big Hillbilly Bluegrass. The bar offers billiards, has a rooftop deck and serves soul food.