 Georges Brassens, Jacques Brel, Gilbert Bécaud, Johnny Hallyday, Violetta Villas, Dalida, Édith Piaf, Annie Cordy, Charles Aznavour, Mireille Mathieu, Yves Montand, and others.He co-founded a records company, the Disques Versailles.An astute and successful businessman, he was very influential within the French musical world.