Pierre Elie Ferrier and Marc-Olivier Dupin offer us a committed musical work that evokes with humanism and accuracy the fate of migrants on Earth. Currently director of France Musique, Marc-Olivier Dupin began his illustrious career at the Conservatoire National Supérieur de Musique et de Danse de Paris where he took many glittering prizes. Best described as a symphonic composer, he has written operas, music for ballet, film and theatre notably compositions for Brigitte Jacques' theatrical productions from which most of his Cezame pieces are selected. He was head of several conservatoires before being nominated Directeur du Conservatoire National Supérieur de Musique de Paris (CNSM) He has been musical advisor to the minister for culture and is director of the Ile de France National Orchestra.