Cause of death: esophageal cancer
Michel Louvain, (July 12, 1937 – April 14, 2021) was a Canadian singer most popular in the 1960s and 1970s. He recorded many hit songs, and also worked as a host for a variety of shows on television and radio. In 1965 he was voted 'Mr. Radio–TV', Radio Canada's top show business personality, at the Gala des Artistes.
Source : Wikipedia