Blues was once described as the devil's music. It eventually became some of the most beloved American music that was embraced by a global audience. Originating in African American communities in the South in the late 1800s, it was inspired by gospel and spiritual music sung by field hands and sharecroppers who worked on plantations. During the Great Migration from the early 1900s to the mid-1970s, many African Americans moved north for a better quality of life. Chicago was one of America's leading industrialized cites, and manufacturing jobs were plentiful and provided better wages than...