The King, who will have nothing but what is magnificent in all he undertakes, wished to give his court an entertainment which should comprise all that the stage can furnish. To facilitate the execution of so vast an idea, and to link together so many different things, his Majesty chose for the subject two rival princes, who, in the lovely vale of Tempe, where the Pythian Games were to be celebrated, vie with each other in fêting a young princess and her mother with all imaginable gallantries.