| Crew Information
Gregory Prechel is a composer and orchestrator. He serves as a conductor and orchestrator for The Simpsons, although he is uncredited. He also composed the additional score for "Halloween of Horror", along with Scott Clausen, and wrote the music for the song "600", with Alf Clausen. He has also served as an orchestrator and sound consultant for the album The Simpsons: Testify.