One of music's best kept secrets celebrates 100 years, quietly

The year is 1925. The Great Gatsby is published, the jazz age is swinging, and on October 28th, a new concert hall opens at an unlikely spot — the Library of Congress, in Washington D.C. If only its cream-colored walls could talk. For 100 years, performers of all stripes have graced the Library stage, from classical music luminaries like Béla Bartók and Igor Stravinsky to Stevie Wonder , Audra McDonald and Max Roach . Today, it remains one of the capitol city's most beautiful, best sounding and perhaps best kept secrets.

The idea for a concert hall at the Library of Congress did not stem from congress. It came from philanthropist Elizabeth Sprague Coolidge — and one bespoke piece of bipartisan legislation. "She was indefatigable and intrepid," says Anne McLean, senior producer