WDIA: Black Music Mother Station

When WDIA went on the air in Memphis, Tennessee, in 1948, its white owners, Bert Ferguson and John R. Pepper, were anything but blues aficionados; however, deejay Nat D. Williams was. A former high-school history teacher and journalist, Williams brought his own records and his familiarity with Memphis’s blues hotbed Beale Street with him. But rather than aspiring to be a hipster, Williams acted as a cultural historian and gatekeeper, watching for lyrics that might...