 He later bought a FM station in Knoxville, WJBZ, which he nicknamed "Praise 96.3".Mull syndicated the program on nighttime clear-channel megastation WWL 870 AM in New Orleans and consequently became known among nighttime truck drivers across the United States.Commonly he was master-of-ceremonies with his wife Elizabeth and used the familiar by-line "This is your old neighbour J. Bazzel [then her voice] and Mrs. Mull [back to his voice] with your Mull—"M-U-L-L"—Singing Convention."