The company became the second largest music publisher in the world.
In 1968, he became a music publisher, starting his own company named for himself.
It became one of France's most important music publishers for nearly 40 years.
The company then was able to sign most of the major music publishers to offer their titles through the system.
A group of music publishers has also filed suit against the company.
He worked at a music publisher, learning the business but not selling any songs.
Several music publishers joined in a suit taking the magazine to court.
There he taught guitar and worked as a music publisher.
He died of heart failure, a spokeswoman for the music publishers' association said.
The two men sell a song to a music publisher and it develops into a hit.