1. There are no songs in the episode. 2. The person who knows the answer is not responsible for posting the information to this website. 3. The person who knows this information is too busy to post the information. 4. The producers aren't concerned with publicizing this information. 5. The information is just not that important unless posting it is required contractually, it boosts the performer's ego or the producers think that they can use the songs to make more money, by selling CD's.