"We Shall Overcome" isn't a complicated piece of music. The first verse has only twenty-two words, most of them repeated. The melody is straightforward. The chords are basic. Yet the song has had a profound effect on people throughout the United States--and the world. In clear, accessible language Stuart Stotts explores the roots of the tune and the lyrics in traditional African music and Christian hymns. He demonstrates the key role "We Shall Overcome"...