 The Billionaires play Quidditch, as it is depicted in the "Harry Potter" film series, and use the paintings "Mona Lisa" by Leonardo da Vinci, "Whistler's Mother" by James Abbott McNeill Whistler and "The Scream" by Edvard Munch as target practice.The songs featured in the episode include "Hip Hop Hooray" by Naughty by Nature during Mr. Burns' attempt to be more like Mark Cuban, and "Sea of Love" as performed by The Honeydrippers, which Homer and Moe play to their bees.Scott Joplin's "Maple Leaf Rag" is also played in the episode.