Gospel, blues, country, folk, Western swing, bluegrass, Cajun, zydeco, Tejano and Native American are all uniquely American music genres; this four-part PBS documentary traces the development of these colorful musical styles. Rare and historic footage, performances by American music pioneers and interviews with artists such as the Carter Family, B.B. King, Hank Williams, Bob Dylan and others tell the story of America's rich musical history.