Bob Shad was not only an outstanding jazz producer, but he supervised several major blues, pop, rock, and R&B dates. Shad started his production career with Savoy in the '40s, producing jazz sessions for Charlie Parker and blues and R&B albums for National. He founded the Sittin' in With label in 1948 and produced albums by Lightnin' Hopkins, Sonny Terry and Brownie McGhee, Smokey Hogg, Peppermint Harris and Curley Weaver, as well as jazz and R&B albums. Shad became director of Artists and Repertory (A&R) for Mercury in 1951 and launched its EmArcy division, producing dates by...