John Weeks Moore, Complete Encyclopaedia of Music… (1880)
“ He then quitted the violin, his voice having settled into a fine tenor, and devoted himself entirely to the study of singing, under the first masters then at Paris ; so that, in the year 1814, he gained the first prize for singing at the Conservatory. In 1815, he made his debut at the Grand Opera, and obtained the greatest success in the principal parts of the several operas, "Armide," "Les Bayaderes," and "Anacreon." He still, however, although he received much encouragement, felt that his studies had formed him rather for the Italian than the French school of singing ”
