All I need to know about Cats the musical I learned from the incessant and unceasing TV ads for the original Broadway production at the Winter Garden Theater… No idea what kind of cushy deal they cut with WPIX to air it so frequently (nearly two decades that I can recall), but whichever salescritter held that account must have made bank!
I checked the googs and verified I wasn’t alone in remembering this. Behold the lamentation (begins about halfway down the page, though the first part of the write-up goes nicely with @pesco’s OP) from someone else who grew up with these commercials too: The Commercial For The Broadway Show “CATS” Ruined My Life | Barstool Sports