Taco Bell

Isn't that the same lil tune in all the Taco Bell commercials? If so, I'm fairly positive that's just jingle music, written for the ads, not an actual song.
It may be something different though.. I haven't seen the ad recently..
Not sure if this is it, but I know this song has been used a bunch of times in Taco Bell commercials; it's called "Zombie Compromise" by Shadowy Men on a Shadowy Planet (don't have a link to it, but you can probably hear a clip of it on Amazon). Hope this helps...