Cause of death: heart attack
Joseph Ira Dassin (French: [dasɛ̃]; November 5, 1938 – August 20, 1980) was an American–French singer-songwriter. In his career spanning sixteen years (1964–1980), he enjoyed numerous successes in France and the French-speaking world, as well as singing in languages other than French. He had a career in Soviet Union, Finland, Greece, and Germany. In total, he sold nearly 25 million records worldwide. He was the son of film director Jules Dassin.
Source : Wikipedia
