Looking back at jazz’s rich history and tradition, female vocalists have always had a stand-alone relevance as one of the genre’s most significant influences. Without a doubt, the music of Bessie Smith, Ella Fitzgerald, Billie Holiday, Carmen McRae, Nina Simone, Sarah Vaughan, Dinah Washington and Ma Rainey have served as a series of guideposts to light the way for others to follow. But the shoes of those legendary mistresses of song hav