 Henceforth considered one of the best French baritone of his generation, he was internationally acclaimed as Valentin in "Faust", Escamillo in "Carmen", Fieramosca in "Benvenuto Cellini", and Golaud in "Pelléas et Mélisande".Massard also enjoyed considerable success in the Italian repertory, singing Enrico in "Lucia di Lammermoor", notably at the Paris Opera in 1960, opposite Joan Sutherland, and Riccardo in "I puritani" in London in 1961, again with Sutherland.He also appeared as "Rigoletto" and Germont in "La traviata".