The song "Let's Face the Music and Dance" which was written in 1936 by Irving Berlin for the film 'Follow the Fleet' is heard playing by the band (Ken and the Lamplighters) at the end when Midge and Joel dance together before splitting off for Midge to dance with Benjamin, and Joel with Leah.
"The Coffee Song (They've Got an Awful Lot of Coffee in Brazil)" is sung in this episode. This is the song Miss Patty (Liz Torres) sings in the episode "But Not as Cute as Pushkin" in Gilmore Girls, also created by Amy Sherman-Palladino