 The couch gag for the episode parodies the cover of the 1970 album "Tea for the Tillerman" by the British musician Cat Stevens, and has the album's title track playing over it.During the sandwich making scenes, part of "L'Estasi dell'Oro" by Ennio Morricone is played.Near the end of the episode, a "Simpsonized" version of the famous French painting "A Sunday Afternoon on the Island of La Grande Jatte" is briefly shown.