Investigation in 1967 on the profession of variety singer through the testimonies of Michel Fugain whom we follow during a studio recording, of Lucien Morisse artistic director in a record company, of the lyricist and musical arranger of Michel Fugain (Jean Morlier), of the disc-jockey Mini Max. They analyze the keys to success, their respective roles, the evolution of French song in relation to Anglo-Saxon music (source: Média Scérén).