Bruno Monsaingeon, 80, has been filming classical music for 50 years. His hundredth documentary opus, dedicated to the young Finnish conductor Klaus Mäkelä, will be broadcast on April 21 on Arte.

He publishes Filmer la musique at Éditions de la Philharmonie de Paris. He is also an experienced violinist, and has had discussions of incredible depth with his cousin Guillaume, who also plays the violin. He says: "Let's stop ghettoizing classical music"