Critical Thinking Questions   Home       If you'd like to print out this page, click the Print button above. Alternatively, you may click the printer icon on your browser's toolbar, or choose File>Print from the menu.     How and why do you think the musical styles of Blues and Jazz evolved from the black communities of the South? How did cultural traditions, like music and song, evolve and move throughout the United States in the early part of the 20th century? In watching this video segment, think about what's actually occurring. How is the music being used in these scenes? What type of music do you think was popular at the time with non-black communities in the United States? What did music represent to most Americans before the onset and popularity of Jazz?