Question: Placide Cappeau was the author of "O Holy Night" which was set to music by what French composer and music critic

full_context: Document 1: A Visit from St. Nicholas: "A Visit from St. Nicholas", more commonly known as "The Night Before Christmas" and "' Twas the Night Before Christmas" from its first line, is a poem first published anonymously in 1823 and later attributed to Clement Clarke Moore, who claimed authorship in 1837. Some commentators now believe the poem was written by Henry Livingston, Jr..
Document 2: Jacques Offenbach: Jacques Offenbach (] ; ] ; 20 June 1819 – 5 October 1880) was a German-born French composer, cellist and impresario of the romantic period. He is remembered for his nearly 100 operettas of the 1850s–1870s and his uncompleted opera "The Tales of Hoffmann". He was a powerful influence on later composers of the operetta genre, particularly Johann Strauss, Jr. and Arthur Sullivan. His best-known works were continually revived during the 20th century, and many of his operettas continue to be staged in the 21st. "The Tales of Hoffman" remains part of the standard opera repertory.
Document 3: Adrien Barthe: Adrien Barthe (born Grat-Norbert Barthe, June 7, 1828 – August 13, 1898) was a French classical composer. Born in Bayonne, Barthe studied music under Fernand Le Borne at the Paris Conservatory. An early composition, "Francesca de Rimini", was lauded by the Rome Institute, and subsequent cantatas "Judith" and "Don Carlos" were well received. Performances of "Aubade" in 1893 by conductor Paul Taffanel were popular with audiences to the extent that Taffanel published praise of Barthe - "your delightful work earned us our first success." Moving from classical composition to theatre work, Barthe's "la Fiancée d'Abydos" appeared on stage in Paris and Rome starring Jean-Vital Jammes, however flaws in the composition persuaded Barthe to retire shortly after December 1865, becoming a teacher. He died in Asnières, leaving behind several unpublished manuscripts.
Document 4: Ambroise Thomas: Charles Louis Ambroise Thomas (5 August 1811 – 12 February 1896) was a French composer, best known for his operas "Mignon" (1866) and "Hamlet" (1868, after Shakespeare) and as Director of the Conservatoire de Paris from 1871 till his death.
Document 5: Georges Bizet: Georges Bizet (] ; 25 October 18383 June 1875), registered at birth as Alexandre César Léopold Bizet, was a French composer of the romantic era. Best known for his operas in a career cut short by his early death, Bizet achieved few successes before his final work, "Carmen", which has become one of the most popular and frequently performed works in the entire opera repertoire.
Document 6: Franz Xaver Gruber: Franz Xaver Gruber (25 November 1787 – 7 June 1863), was an Austrian primary school teacher, church organist and composer in the village of Arnsdorf, who is best known for composing the music to "Stille Nacht" ("Silent Night").
Document 7: Silent-Night-Chapel: The Silent Night Chapel (Stille-Nacht-Kapelle) is located in the town Oberndorf bei Salzburg in the Austrian province of Salzburg and is a monument to the Christmas carol "Silent Night" and its librettist, Joseph Mohr and composer, Franz Xaver Gruber. It stands in place of the former St. Nicholas Church, where on 24 December 1818 the Christmas carol was performed for the first time.
Document 8: 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.
Document 9: Once in Royal David's City: Once in Royal David's City is a Christmas carol originally written as a poem by Cecil Frances Alexander. The carol was first published in 1848 in Miss Cecil Humphreys' hymnbook "Hymns for little Children". A year later, the English organist Henry John Gauntlett discovered the poem and set it to music. Cecil Humphreys, meanwhile, married the Anglican clergyman William Alexander in 1848 and upon her husband's consecration became a bishop's wife in 1867. She is also remembered for her hymn "All Things Bright and Beautiful".
Document 10: O Holy Night: "O Holy Night" (French: "Cantique de Noël" ) is a well-known Christmas carol composed by Adolphe Adam in 1847 to the French poem "Minuit, chrétiens" (Midnight, Christians) by a wine merchant and poet, Placide Cappeau (1808–1877).
Document 11: Silent Night: "Silent Night" (German: "Stille Nacht, heilige Nacht" ) is a popular Christmas carol, composed in 1818 by Franz Xaver Gruber to lyrics by Joseph Mohr in the small town of Oberndorf bei Salzburg, Austria. It was declared an intangible cultural heritage by UNESCO in 2011. The song has been recorded by a large number of singers from every music genre. The version sung by Bing Crosby is the third best-selling single of all-time.
Document 12: Charles Gounod: Charles-François Gounod (] ; 17 June 181817 or 18 October 1893) was a French composer, best known for his "Ave Maria," based on a work by Bach, as well as his opera "Faust". Another opera by Gounod occasionally still performed is "Roméo et Juliette". Although he is known for his Grand Operas, the soprano aria "Que ferons-nous avec le ragoût de citrouille?" from his first opera "Livre de recettes d'un enfant" (Op. 24) is still performed in concert as an encore, similarly to his "Jewel Song" from Faust.
Document 13: Léo Delibes: Clément Philibert Léo Delibes (] ; 21 February 1836 – 16 January 1891) was a French composer of the Romantic era (1815–1910), who specialised in ballets, operas, and other works for the stage. His most notable works include the ballets "Coppélia" (1870) and "Sylvia" (1876), as well as the operas "Le roi l'a dit" (1873) and "Lakmé" (1883).
Document 14: O Holy Night (Jackie Evancho EP): O Holy Night is the official debut Christmas EP by American child singer Jackie Evancho. The album was released on November 16, 2010, only two months after Evancho rose to prominence as a finalist on the reality TV show "America's Got Talent". Evancho was ten years old when this EP was released.
Document 15: 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)
ground_truth: Adolphe Adam