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. Notable regular patrons have included Euan Blair, son of Tony Blair, and the late Soviet dissident artist Alexandr Zhdanov. Hungarian Ambassador András Simonyi was not only a regular patron but also performed with his band "Coalition of the Willing" for his Washington Diplomatic farewell party attended by a Washington A-list including European diplomats, United States Secretary of Homeland Security Michael Chertoff, and Prime Minister Ferenc Gyurcsány. Additionally, Vince Vaughn and Owen Wilson were regulars during the filming of Wedding Crashers, and Politically Incorrect host Bill Maher always stops by when in Washington. Barbara and Jenna Bush have also been spotted there. Madam's Organ was described as a favored hangout by Playboy and Stuff (magazine), and was featured on the Wild On!