From humble beginnings in a physics lab on the campus of Loyola University came the sounds of the first radio station in the lower Mississippi River Valley when WWL Radio signed on in 1922. The little station would grow into a national powerhouse, with its morning Dawnbusters show and nightly broadcasts from the Blue Room of the Roosevelt Hotel. The city's second oldest station, WSMB, with studios in the Maison Blanche Building, developed its own...