Having been granted unprecedented authority by Louis XIV, the Sun King, no one could stage operas in France without Jean-Baptiste Lully’s permission. By 1686, however, Lully’s authority was waning and his long-standing librettist deserted him to write sacred works. Despite these setbacks, Lully wrote Acis et Galatée, a pastorale héroïque, and one of his final masterpieces. (Dynamic)