sentences:  The next few years witness the birth of his first major works.His personal musicality stood up through an atonal essence language that renounces neither polytonality nor tonal pivot usage.He won the Musical Grand Prize of Paris (1958), the First Prize of the Concerts-Réferendum-Pasdeloup, the First Prize of the French musical confederation (1959), the Grand Prize of the Divonne Composition International Competition (1960), and the Grand Prize of the French Institute of chamber music (1976).