From the initial glow of three-part harmony on “Willow Weep for Me,” a tune that’s been recorded countless times but never quite like this, Andy and the Bey Sisters established a unique approach to ensemble singing that was, in the oft-quoted words of Duke Ellington, “beyond category.” Churchier than Lambert, Hendricks & Ross, jazzier than the Staple Singers, the work of pianist-vocalist Andy Bey (b. 1939) and his singing sisters Geraldine and Salome drew upo… MORE