The guitar part from the Police's Every Breath You Take is the hook of the entire song but doesn't get a writing credit because it's based off Stings chords, as are thundersticks drum fills based off the only chord pattern in the Ides of March.
Re: joke, yeah I just presumed it was from Listen With Nicko, but it's definitely a joke title, like when they were calling Benjamin Breeg the Rime of Billy Bunter, it's cockney rhyming slang, there's no way they'd call the track Jenkin's Barn for some legitimate reason and then at a later date decide to change the name, and by a massive coincidence it just happened to rhyme with Genghis Khan. It would be like if someone said Steve had originally written a track called the Slumber of the Yeast but he decided to change the name.