Beginning in 1949, while Elvis Presley and Sun Records were still virtually unknown--and two full years before Alan Freed famously "discovered" rock 'n' roll--Dewey Phillips brought the budding new music to the Memphis airwaves by playing Howlin' Wolf, B. B. King, and Muddy Waters on his nightly radio show Red, Hot and Blue. The mid-South's most popular white deejay, "Daddy-O-Dewey" soon became part of rock 'n' roll history for being the first...