Originally conceived as a prologue for the ballet “Les Beaux Jours de l'Amour”, the one-act play “La Naissance d'Osiris” was only performed twice, together with revivals of “Pigmalion” and “Les Incas de Pérou” (the second act of the opera-ballet “Les Indes galantes”) in 1754. The occasion was the birth of the Duc de Berry, later Louis XVI. There is no evidence that “La Naissance d'Osiris” was ever revived in the 18th century, probably because it was too closely linked to the occasion of the prem...