Rameau opera-ballet, premiered Versailles 27 November 1748; third entree Anacreon added for the 1757/58 revival. Source: https://en.wikipedia.org/wiki/Les_surprises_de_l%27Amour and the booklet of Glossa GCD 922701 ("Les Surprises de l Amour / Opera-ballet. Paris, 1758"), which is the release being filed. Staged work, so in scope; findopera held no row under Rameau.