Here is another posting from the "Phil North archive" of KAAY audio clips. This one is a collection of promos for a Mountain/Ted Nugent & the Amboy Dukes concert in Little Rock in 1971.
This is the "heaviest" collection of ads I've ever heard --- the adjective, "heavy," pops up every 5 seconds of every spot! Perhaps the announcer (Phil) was referring to the music, perhaps to Leslie West's girth, but in any case, the word seems appropriate.
Of course, the show plays at Barton Colisseum and is a Carousel Attraction, the "heaviest ever." And of course, we get to hear the cowbell-guitar intro to "Mississippi Queen." Heavy....
(click here to download)