Mark Seagraves met up with local blues legends, The Nighthawks and shares a little known fact about the Beatles first US concert, which took place right here in Washington, DC. Located just blocks from Union Station, the Washington Colleseum hosted the Beatles first US concert in February of 1964, just two days after their historic performance on the Ed Sullivan show. Also stay tuned for Part II of Willie Waffles Top 10 Movies in 2011...