DuchédeVancy, Joseph-François (29 October 1668, Paris; 14 December 1704, Paris), librettist, received an excellent education and obtained a commission as royal valet, a position that allowed him to approach influential personalities at Court. Duché de Vancy began to write for the Opéra in 1694, when he did the libretto for Céphale et Procris. He provided the words for Desmarets’s Théagène et Chariclée and Les Amours de Momus in 1695. His fourth libretto for the Royal Academy of Music was for…