Éric Demarsan, born on October 2, 1938, in Paris, is a distinguished French composer renowned for his evocative film scores. Beginning his career as an arranger for Michel Magne and François de Roubaix, Demarsan's breakthrough came with Jean-Pierre Melville's "L'Armée des ombres" (1969) and "Le Cercle rouge" (1970). His versatile compositions have graced works by directors like Costa-Gavras, Patrice Leconte, and Jean-Pierre Mocky. Beyond cinema, Demarsan has contributed to television and composed under the pseudonym Jason Havelock. His enduring collaborations with filmmakers such as Guillaume Nicloux and Hervé Hadmar underscore his lasting impact on the industry. ([en.wikipedia.org](https://en.wikipedia.org/wiki/%C3%89ric_Demarsan?utm_source=openai))