Meet Mabel Mercer, a remarkable black singer born to a teenage mother in Cardiff, Wales. Her captivating journey led her from Paris, where she sought refuge from the Nazis, to becoming a mesmerizing force in American music. As spellbinding as those who adorned banana belts in Paris, Mabel Mercer's influence wasn't just skin-deep; she single-handedly transformed the landscape of American music, reigning supreme from her throne in the bars of France. Not only did she captivate Frank Sinatra, but Mabel also left an indelible mark on an entire generation of singers.