Maria Muldaur remembers precisely the moment that New Orleans native Lizzie “Kid” Douglas — better known by her stage name, Memphis Minnie — became a guiding light for both her personal and professional life. As she recalls in the liner notes to her latest release, …First Came Memphis Minnie, a star-studded affair with guest appearances by Bonnie Raitt, Ruthie Foster, Rory Block, Alvin “Youngblood” Hart and, posth...