Placide Cappeau was the author of "O Holy Night" which was set to music by what French composer and music critic
Placide Cappeau Placide Cappeau (October 25, 1808 – August 8, 1877) was a French poet and the author of the well-known poem, "Minuit, chrétiens" ("O Holy Night") (1847), which was set to music by Adolphe Adam.
L'arbre enchanté L’arbre enchanté, ou Le tuteur dupé ("The Magic Tree, or, the Tutor Duped"), Wq 42, is a one-act opéra comique by Christoph Willibald Gluck to a libretto based on the 1752 opéra-comique "Le poirier" ("The Peartree") with a text by Jean-Joseph Vadé. Vadé's libretto was based on a tale from Boccaccio's "Decameron", as retold by Jean de La Fontaine. Gluck's opera was written for the nameday of Emperor Francis Stephan, premiering at the Schönbrunn palace in Vienna on the evening of October 3, 1759, anniversary of the death of Saint Francis of Assisi.