The Ladies. The world of jazz is characterized by fascinating and unique voices that have not only written music history, but have also shaped and changed the genre itself. Female jazz singers in particular have made a decisive contribution to giving the genre emotional depth, versatility and an unmistakable personality. Ella Fitzgerald, Nina Simone, Billie Holiday, Sarah Vaughan, Etta James, Dinah Washington, Abbey Lincoln, Anita O'Day, Carmen McRae, Peggy Lee, Blossom Dearie, Helen Humes,...