various - MEDEA (it/fr/wger, Pasolini 1969)

This is a great movie for many reasons - Pasolini and Callas; a really rich disquisition on myth and reality; amazing locations; just about the greatest costume design of all time; and a remarkable soundtrack, compiled by Pasolini from various more-or-less ethnographic sources.

Fabio Masetti breaks it down on Quora. Not sure the interpretation is as straightforward as stated, but this is helpful:

The soundtrack of  Medea in made of  different folk and ethnic music tracks he choosed personally with Elsa Morante.

• Musiche sacre giapponesi, edizioni Bixio Sam, Milano. -  Japaneese sacre music, Bixio Sam recordings, Milan - Bixio Gruppo Editoriale Official Website
• Canti d’amore iraniani, edizioni Bixio Sam, Milano. - Iranian Love Chants, Bixio Sam recordings, Milan
• Musiche tibetane: campanelli buddisti, Khyabjug Chenden, Musica del Ricevimento (tratta dall’LP Tibet III, A musical Anthology of the Orient,

These three albums reissued by Rounder as Anthology of World Music: Music of Tibetan Buddhism, CD 5129/5130/5131.[7] Review by Wei Li in Yearbook for Traditional Music 32 (2000), pp. 239-241, JSTOR 3185295; review by Adam Greenberg on Allmusic, [4].

the music score is curated by Carlo Andrea Bixio, and it's S.I.A.E. property

useful notes:

In a first draft Pasolini Thought the film without soundtrack or to use a minimal sound approach. Then thought that Gregorian music could be a good solution.

Collaborating with Elsa Morante decided for a long, endless and wonderful soundtrack based on ethnic sounds and world music.
Pasolini uses the music in opposition to the spoken words to underline different phases in Medea's Life. The first part, popular the second One bourgeois, once she decided to escape with Argonauts. Giasone represent the world of technology.

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Track listing:
1. Opening titles
2. Sparagmos i
3. Sparagmos ii
4. Koto interlude i
5. Koto interlude ii
6. Sun witch
7. Fire ritual
8. Koto interlude iii
9. Koto interlude iv
10. Absyrtus' slaughter
11. Aeërtes' discovery
12. Absyrtus' return
13. Koto interlude v - consummation
14. Divestment
15. Koto interlude vi
16. Disunion
17. Return of the Sun witch
18. Revenge of the Sun witch
19. Fear and banishment
20. My mother sends you this wedding gift
21. Nothing more is possible, ever.

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