This completely brilliant little ditty comes your way from the soundtrack to Richard Elfman's cult classic Forbidden Zone. It's the tune Pico and Sepulveda (1947) by Felix Figueroa and His Orchestra. I chose this song in particular because while it appears in the movie (see above video) its nowhere to be found on the soundtrack itself. This phantom gem was once a holy grail among record collectors until the internet came around, yet still it sees little air play outside of the occasional midnight screening of Forbidden Zone. If you like what you hear you'll love the rest of the CD which features appearances from The Kipper Kids, Danny Elfman and the The Mystic Knights of the Oingo Boingo. While your at it buy the DVD too.
(Bonus Link) Check out info on Richard Elfman's Forbidden Zone-esk new film The Sixth Element