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)
Nicolas-Étienne Framery Nicolas-Étienne Framery (25 March 1745, Rouen – 26 November 1810, Paris) was a French music theorist, critic and lyric writer associated with opera, especially opéra comique. He wrote and adapted librettos. His work became more adademic and abstract and he eventually became "surintendant de la musique" for the Comte d'Artois, (who would become Charles X of France).