The NPR 100Throughout the year 2000, NPR presented the stories behind 100 of the most important American musical works of the 20th century, across all styles and genres. Hear on-demand audio from every story on the NPR 100.
Bert Lahr (far right), Ray Bolger (back row, right), Judy Garland (sitting, right), composer Harold Arlen (sitting left), and various MGM and music publishing executives sing songs from the 1939 film musical 'The Wizard of Oz' around a microphone in the NBC radio studio, circa 1939.
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American folk singer and activist Pete Seeger (left) adopted and helped popularize "We Shall Overcome" by teaching the song at rallies and protests. Here he sings with activists in Greenwood, Miss., in 1963.
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