The founder of the largest youth music non-governmental organisation in the world - Jeunesses Musicales International in Brussels (1945) with the mission to "enable young people to develop through music across all boundaries". JMI has established four priority activity fields: Young Musicians, Young Audiences, Youth Empowerment and Youth Orchestras & Ensembles. Marcel Cuvelier had many important functions in his lifetime. In 1927, he founded the Philharmonic Society of Brussels, of which he remained director until his death, and Youth and Music France in 1940. Other notable distinctions of Marcel Cuvelier were Director of the International Music Competition Queen Elisabeth of Belgium from its conception in 1953 and his naming as Secretary-general of the International Music Council of Unesco in Paris.
