Lisa's Date with Density a child from Josh Weinstein's school days who everyday would get onto the bus with a piece of toast, which had Vaseline on it. A majority of the story is a reference to the film "Rebel Without a Cause". Lisa remarks that Nelson is "like a riddle wrapped in an enigma wrapped in a vest", a reference to "a riddle wrapped in a mystery inside an enigma"; this was Winston Churchill's opinion of Russia at the outbreak of the World War II. In its original broadcast, "Lisa's Date with Density" finished 63rd in ratings for the week of December 9–15,
Pink Floyd a riddle supposedly concealed in the new album. White lights in front of the stage at the Pink Floyd concert in East Rutherford spelled out the words Enigma Publius. During a televised concert at Earls Court on 20 October 1994, someone projected the word "enigma" in large letters on to the backdrop of the stage. Mason later acknowledged that their record company had instigated the Publius Enigma mystery, rather than the band. Marked by Waters' philosophical lyrics, "Rolling Stone" described Pink Floyd as "purveyors of a distinctively dark vision". Author Jere O'Neill Surber wrote: "their interests are truth and illusion,