During the closing credits, a martial scoring of The Simpsons theme plays and the colonel voices "frontline infantry" assignments to nearly every cast and crew member (one exception being Kiefer Sutherland, who is assigned to the United States Coast Guard), as the credits roll over the usual black background.

Olof and Elias Holmlid were inspired to write the "The Old House on the Hill" trilogy by listening to film scores, and they attributed this trilogy to Danny Elfman, probably most famously known for his Tim Burton's Batman theme and the The Simpsons theme.

His band would also play their version of The Simpsons theme over the end credits.

The psychedelic version of The Simpsons main theme that plays during the end credits was performed by Yo La Tengo, an American alternative rock band who are friends of Cary's.

On the album Saturday Morning Apocalypse, they collaborated with Sonata Arctica frontman Tony Kakko to record the theme song for the Pokémon anime series, which is their only song with complete lead vocals, and the Simpsons theme where he provides the eponymous title lyric and an ending choral section.

In addition to their appearance in the film, Green Day recorded its own version of the Simpsons theme, and released it as a single.

He was recruited after a staff member of the show saw his cover of the Simpsons theme on YouTube.

The closing credits of the episode features a version of the Simpsons theme that is a combination of the instruments used in The Munsters theme song and the harpsichord and clicking from the Addams Family theme song.

In addition to appearing in The Simpsons Movie, the members of the punk rock band Green Day recorded their own version of the Simpsons theme for the film.

The dark cabaret band Tiger Lillies performed their version of the Simpsons theme over the closing credits of the episode.