Placide Cappeau was the author of "O Holy Night" which was set to music by what French composer and music critic
Adolphe Adam Adolphe Charles Adam (] ; 24 July 1803 – 3 May 1856) was a French composer and music critic. A prolific composer of operas and ballets, he is best known today for his ballets "Giselle" (1841) and "Le corsaire" (1856, his last work), his operas "Le postillon de Lonjumeau" (1836), "Le toréador" (1849) and "Si j'étais roi" (1852)
La toison d'or (opera) La toison d'or ("The Golden Fleece") is a French-language opera in three acts by the composer Johann Christoph Vogel, first performed at the Académie Royale de Musique (the Paris Opera) on 5 September 1786. The libretto, by Philippe Desriaux, is based on the legend of Jason and the Golden Fleece.