The enigmatic clip above is from La morte ha fatto l’uovo (1968) starring Jean-Louis Trintignant and Ewa Aulin. It appears to be a piece of YouTube bricolage. Perhaps the music in the clip is from the film, music by Bruno Maderna?
I’ve previously mentioned Death Laid an Egg.
Update: the full movie in English:
The full soundtrack is online:
The soundtrack is indeed composed, arranged and conducted Bruno Maderna and it appears to be the best thing of the film. However, the high modernism of Maderna in combination with this piece of genre cinema makes the film a perfect example of nobrow artsploitation and had I not been three years old when this film came out, I would have surely wanted to see it.
Thematically, the film reminds me of Pasolini’s Pigsty. That’s probably because in both films a victim is fed as animal food, in Pigsty (“eaten by pigs in the sty”) as pig food, in Death Laid an Egg (“the farm chickens feed on Marco’s ground corpse”) as chicken food. Which reminds me of Soylent Green, the film in which, after euthanasia, dead humans are made into crackers and fed to living humans.