Ennio Morricone composed the score for the 1966 French crime thriller film "Le Professionel", directed by Georges Lautner. The film starred Jean-Paul Belmondo as a hitman who is double-crossed by his employers. Morricone's score for the film featured his signature blend of orchestral and electronic instruments to create a tense, suspenseful soundscape that enhanced the on-screen action and drama.