Bill Buchanan and Dickie Goodman produced novelty songs, such as "Mr. Jaws" and "The Flying Saucer," using clips from pop songs of the day. They were hauled into court for copyright infringement, and produced a song about the experience. YouTube member 0797buda found some appropriate funny video clips to illustrate the insanity. You'll find lots more by Buchanan and Goodman at Metafilter.