Duval had a major triumph in 1963, drawing international recognition for his lauded recording of the role of Arturo in
Bellini's
I puritani, opposite
Joan Sutherland, after replacing
Franco Corelli as a last minute substitute. In 1964 he made his United States debut with the
New York City Opera as Faust. He sang several more time with the NYCO during his career, including portraying Rinuccio in
Giacomo Puccini's
Gianni Schicchi (1965), Le Chevalier des Grieux in
Jules Massenet's
Manon (1969), the Duke of Mantua in
Rigoletto (1969), and Arturo to
Beverly Sill's Elvira in
Vincenzo Bellini's
I Puritani (1974–1975) among others. He also made several appearances at the
Pittsburgh Opera during the 1960s and 1970s. In 1967 Duval made his debut with the
Philadelphia Lyric Opera Company as Elvino in Bellini's
La sonnambula with
Renata Scotto as Amina. He returned to that house the following season to perform Arturo to the Elvira of
Anna Moffo. In 1969 he made his first appearance with the
Philadelphia Grand Opera Company as Edgardo in
Gaetano Donizetti's
Lucia di Lammermoor with
Roberta Peters in the title role. He returned to portray the Duke of Mantua opposite
Carlo Meliciani's Rigoletto at the PGOC the following season. In 1970 Duval sang at the
Connecticut Opera and in 1971 he made his debut with the
New Orleans Opera as Nadir in
Georges Bizet's
Les pêcheurs de perles. He returned to New Orleans several more time, including portraying the title hero in Gounod's
Roméo et Juliette (1972). In his home country, Duval was a regular performer at the
Opéra de Québec between 1967 and 1970. He also performed roles with the Théâtre de Nouvell-France, the
Canadian Opera Company, the
Vancouver Opera, and
Opera Ottawa in the standard French and Italian repertories. He also performed as a soloist with several orchestras throughout Canada and the United States. He notably took part in a number of CBC opera telecasts, including portraying Macduff in
Macbeth, in 1973, opposite
Louis Quilico and
Marisa Galvany. Duval was also active on the international stage during the 1960s and 1970s. In 1966 he performed the role of Alfredo in
La traviata at the
Municipal Theater of Santiago in Chile. In 1969 he sang the role of Leicester in Donizetti's
Roberto Devereux at the
Liceu with
Montserrat Caballé as Elisabetta. In 1973 he had a triumphant performance at the
Teatro Comunale di Bologna in the role of Arturo. == Recordings ==