Now That's What I Call Music - The Mesozoic Era

This ad was the K-Tel equivalent of "From you, all right? I learned it from watching you!" Which is to say everybody knew the opening exchange in the ad, knew the inflection, and could get a good laugh just by saying it. Any context would do. I was once in a radio comedy troupe, and one sketch involved selling a polka record. We absolutely quoted this ad.

As an added bonus, here's an '70s K-Tel ad.