Orchestre de la Société des Concerts du Conservatoire
Vieux received his 1st Prize Viola in 1902 in the class of Théophile Laforge, the first viola professor of the Conservatoire de Paris. Thereafter, he was principal violist of the Opéra National de Paris (1907–1949) and the Orchestre de la Société des Concerts du Conservatoire, and member of the Quatuor Parent and Quatuor Touche. In 1918, he replaced LaForge as professor of viola at the Conservatoire.