"Hey, Paula," a pop hit that spent months on the music charts, was back on the radio 30 years later, but in a form the song's author never intended. Talk-show host Rush Limbaugh played a version with the same music as the original but with lyrics that poked fun at President Bill Clinton's alleged sexual misconduct with Paula Jones. Has Limbaugh violated the author's copyright? Strategy: Although this example may look like a copyright violation, it falls under an exception.