Les fêtes de l’Hymen et de l’Amour, ou Les dieux d'Egypte is an opéra-ballet in three entrées and a prologue by the French composer Jean-Philippe Rameau. The work was first performed on March 15, 1747, at the La Grande Ecurie, Versailles, and is set to a libretto by Louis de Cahusac. The opera was originally composed as part of the celebrations for the Dauphin’s marriage to Maria Josepha of Saxony. Les fêtes de l’Hymen proved to be a popular work and by the March 1776 it had been performed exactly 106 times. The librettist, Cahusac, was especially pleased with the ways in which he had succeeded in giving especial import to the supernatural elements of the work—the plot is based on Egyptian mythology—and to allow particular use of impressive large-scale stage machinery, which was much admir