An exciting lineage of women singers--originating with Ma Rainey and her prot g e Bessie Smith--shaped the blues, launching it as a powerful, expressive vehicle of emotional liberation. Along with their successors Billie Holiday, Etta James, Aretha Franklin, Tina Turner, and Janis Joplin, they injected a dose of reality into the often trivial world of popular song, bringing their message of higher expectations and broader horizons to their audiences...