Was O Fortuna used in the omen?
What horror film is O Fortuna from?
Widespread use of "O Fortuna" in advertising and other forms of popular culture may have begun with the trailer for the 1981 movie Excalibur, which uses the song in its entirety.
What are they chanting in the omen?
The chorus chants, “Sanguis Bibimus/Corpus Edimus” (“The blood we drink/The flesh we eat”) as a blood-red light frames the silhouette of a young boy, his shadow forming a cross.
What is the scary music in the omen?
"Ave Satani" is the theme song to the film The Omen (1976) composed by Jerry Goldsmith. The Omen won the Academy Award for Best Original Score, with Ave Satani nominated for Best Original Song, one of the few foreign language (Latin) songs ever to be nominated.