Janson studied singing at the conservatory in Montpellier. He made his debut in Montpellier as Vincent.
He first sang successfully in the French province and also made guest appearances outside France. At the beginning of the 1930s
in Nancy, he first sang Sou-Chong. He had such a success that he sang the role all over France and
Belgium. He had a similar success as Octavio in Giuditta.
In spite of his success as an operetta tenor, he kept his operatic repertory.
He appeared between 1935 and 1939
at La Monnaie, in
Switzerland and North Africa.
In the 1939/40 season, he sang at the Opéra-Comique.
At that time, his repertory included Faust, Gérald, des Grieux, Werther, José, Nadir, Duca, Alfredo, Pinkerton, Cavaradossi, ...
He continued to sing after the Second World War. He took over the stage direction more and more often, and retired in 1964.
He taught singing at the conservatory in Casablanca.
Das Land des Lächelns on 20 February 1938
Das Land des Lächelns from 26 March 1939 with Cartry, Blanchard/S. Essler, R. Tobelli
Season 1935/36 Giuditta
Season 1938/39 Manon
Werther on 24 February 1939. He sang also Manon (des Grieux) and Noureddine in the world premiere of La nuit embaumée by
Hirschmann, with Vina Bovy as Myriem.
Reference: Kutsch & Riemens