Dobalganero, welcome to the forum! Sorry your first post didn't get any responses. Truthfully, you're not giving us much to go on here. And your question is not very BiaB related. But...I do love a good mystery.

Here's an instrumental from Rocky 3 that could have showed up on a late 1970's jazz program:



I would not say this was played in crescendo throughout, although it is in the first half, more or less.

If you have any other clues that would be helpful.

DC Ron
BiaB Audiophile
Presonus Studio One
StudioCat DAW dual screen
Presonus Faderport 16
Too many guitars (is that a thing?)