He became a professor, teaching counterpoint at the Schola Cantorum in Paris (1898–1902). Following a twelve-year break, he taught classes in chamber music composition at the Conservatoire de Paris (1914–1918).
He established himself as a music critic and wrote reviews and commentary in Mercure de France, Le Courrier musical and La Revue blanche. He died in Paris.
Although de Bréville was not prolific, he lavished attention to his own compositions. He also completed the orchestration of César Franck's unfinished opera Ghiselle with Vincent d'Indy and Ernest Chausson. (Hide extended text)...(Read all) Source : Wikipedia