In What a Difference a Day Makes: Women Who Conquered 1950s Music, Steve Bergsman highlights the Black female artists of the 1950s, a time that predated the chart-topping girl groups of the early 1960s. Many of the singers of this era became wildly famous and respected, and even made it into the Rock 'n' Roll Hall of Fame. However, there were many others, such as Margie Day, Helen Humes, Nellie Lutcher, Jewel King, and Savannah Churchill, who...