Credibility from the depths

It's not unusual for contemporary hit radio stations to use deep voices in breakers between songs.  One Chicago station in the '80s took this a step further by slowing down the announcer's voice and adding reverb to it.  When I heard the slogan, "Nothin' but the hits," said in that voice, I thought, "That must be true.  If a swamp monster says it with that level of authority, who am I to question it?"