American blues singer, songwriter and guitarist. His career began in the 1920s, when he played country blues to mostly African-American audiences. Through the 1930s and 1940s he successfully navigated a transition in style to a more urban blues sound popular with working-class African-American audiences. In the 1950s a return to his traditional folk-blues roots made him one of the leading figures of the emerging American folk music revival and an international star. His long and varied career ma ...