In honor of the demise of Circuit City, here are a couple of their commercials from the early 90s, featuring that catchy jingle.
There are two commercials in this video. The first one is probably the most famous one (and up until now I had completely forgotten about it). It features a kid getting the difference back from the hideous yellow Walkman he bought after seeing an ad in the paper that advertised it for less than what he paid for. Nice effort Circuit City, but this ploy must not have provided enough sustenance to help you survive a recession.
The second commercial is simply an extended version of the jingle.