Explores the fates of socialism and communism through the story of a radical song that has been sung in hundreds of languages by people throughout the world. The program presents compelling stories about the meaning of The Internationale in people's lives and features well-known musicians, including folksinger Pete Seeger and Billy Bragg, a British recording artist with a loyal following among alternative rock fans. It also offers balanced insights into the history of socialism and communism, showing how those movements have embodied both freedom and oppression-often at the same time.