Basic properties of musical sound -- Music in early North America. North American Indian music -- Early folk music -- Religious music in the Colonial, Revolutionary, and Federal periods -- Secular music in the Colonial, Revolutionary, and Federal periods -- The tumultuous nineteenth century. Religious music in the early nineteenth century -- Popular music of the Civil War era -- Concert music -- The growth of vernacular traditions. The rise of popular culture -- The Jazz Age -- Jazz 1930-1960 -- Country music 00 Latin popular musics -- Vernacular music since rock and roll. Rock and roll -- Rock flirts with country -- Jazz since 1960 -- Popular music since 1970 -- Music for theater and film. Musical theater -- Music for films -- American opera -- Tradition and innovation in concert music. Experimental music : revolution -- Early twentieth-century mainstream concert music : evolution -- The Avant Garde, continued -- The recent mainstream.