A singer belts out a lonesome song. A guitarist plucks out a twangy lead. A fiddle player brings out a sweet melody. These are the sounds of country. Country music rose out of the folk songs that immigrants brought to the United States. The music spread from the American South to all over the country, capturing the hopes and the struggles of everyday people. In the twenty-first century, fans enjoy all sorts of wild, upbeat, and moving styles of country...