At the end of the show, when some of the characters ask Charlie Brown who his favorite composer is, he replies Vince Guaraldi, score composer for Peanuts shorts including A Charlie Brown Christmas (1965) and It's Arbor Day, Charlie Brown (1976).
While playing "I'm a Yankee Doodle Dandy", Snoopy dances in the style of the song's composer, George M. Cohan.
Linus does not speak in this special.
Composers mentioned include Stephen Foster (1826-1864), Katherine Lee Bates (1859-1929), Samuel Ward, John Philip Sousa (1854-1932), George M. Cohan (1878-1942), Irving Berlin (1888-1989), Scott Joplin (1868-1917), W. C. Handy (1873-1958), George Gershwin (1898-1937), Jerome Kern (1885-1945), Fats Waller (1904-1943), Duke Ellington (1899-1974), and Vince Guaraldi (1928-1976).