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.
Gustave III (Auber) It received its first performance at the Salle Le Peletier of the Paris Opéra on 27 February 1833, with costumes designed by Eugène Lami and Paul Lormier, and sets by Léon Feuchère (Act I and Act V, scene 2), Jules Diéterle (Act II), Alfred (Act III), Pierre-Luc-Charles Ciceri (Act IV), René-Humanité Philastre and Charles-Antoine Cambon (Act V, scene 1). The opera was a major success for the composer, with 168 performances until 1853.