Our feature, What's in a Song, is produced by the Western Folklife Center with support from the R.

NPR: What's in a Song? 'Twilight'

Participants will keep a CD, and copies will be preserved at the American Folklife Center at the Library of Congress.

NPR: StoryCorps, An Oral History of America

Northern Ireland will be featured at this summer's Smithsonian Folklife Festival.

NPR: Orchestrating Goodwill for Northern Ireland

Two days later, outside the Northwest Folklife Festival in the city centre, a man carrying a book was shot in the leg by stray gunfire.

ECONOMIST: A startling rampage among the coffee shops

It also has hundreds of terabytes of digitized newspapers, and petabytes of data from other sources, such as film archives and materials from the Folklife Center.

FORBES: The Library of Congress' Twitter Archive, One Year Later