Actually, in the 1960s Morricone joined the experimental improvisation ensemble "Nuova Consonanza" where he played trumpet and flute: https://en.wikipedia.org/w

Actually, in the 1960s Morricone joined the experimental improvisation ensemble "Nuova Consonanza" where he played trumpet and flute: https://en.wikipedia.org/wiki/Gruppo_di_Improvvisazione_Nuova_Consonanza https://en.wikipedia.org/wiki/Gruppo_di_Improvvisazione_Nuov... He was very well aware of the contemporary classical/experimental music scene and you can hear the influence in his scores.