You know, I've often wondered that too! I'd never heard the WRLX cut until it was posted, but I've always been curious about which package the cut came from after I heard the KEZK selection.
Since I went to school at the University of Missouri, I do know that KEZK has been using a variety of JAM cuts for a long time (Some of the KOST packages…some of the KVIL packages, and I think the weather bed was even from a Radio 2 package if memory serves).
However, I have no clue where this little diddy (which I think is a great cut, by the way) came from!
bcoz