June 28 – Adolphe Sax patents the saxophone.
August 16 – Gioachino Rossini marries artist's model Olympe Pélissier.
Electric spotlighting is installed at the Paris Opera.
"The Indian's Prayer" w. Anonymous, m. I.B. Woodbury
"When the Swallows Homeward Fly" w.m. Franz Abt
Felix Mendelssohn – Elijah
César Franck – Ruth
Hector Berlioz – La damnation de Faust
Henry Litolff – Concerto Symphonique No 3 in E flat, Op. 45 (approximately 1846)
Felix Mendelssohn – Lauda Sion, Op. 73
Jules Perrot – Catarina or La Fille du Bandit (ballet)
Franz von Suppé - Poet and Peasant overture
Frederic Chopin
Polonaise-Fantaisie
Barcarole (Chopin)
Cello Sonata (Chopin)
Julius Benedict – The Crusaders
Albert Lortzing – Der Waffenschmied
Saverio Mercadante – Orazi e Curiazi
Karel Miry – Wit en zwart (opera in 1 act, with libretto by Hippoliet van Peene, premièred on January 18 in Ghent)
January 2 – Sándor Erkel, Hungarian composer, son of Ferenc Erkel
February 24 – Luigi Denza, composer (d. 1922)
February 26 – Amanda Forsberg, ballerina (date of death unknown)
February 27 – Joaquín Valverde Durán, flautist, conductor and composer (d. 1910)
March 7 – Peppino Turco, songwriter (d. 1907)
March 29 – Louise Pyk, Swedish opera singer (d. 1929)
April 2 – Albert Périlhou, organist, pianist and composer (d. 1936)
May 2 – Zygmunt Noskowski, conductor and composer (d. 1909)
May 22 – Francis Hueffer, music critic (d. 1889)
July 2 – Rosina Brandram, opera singer and actress (d. 1907)
July 29 – Sophie Menter, pianist and composer (d. 1918)
August 24 - Paul Rougnon, pianist and composer (d. 1934)
September 21 – Catherine Chislova, ballerina (d. 1889)
October 20 - Johan Amberg, composer (d. 1928)
November 7 – Ignaz Brüll, pianist and composer (d. 1907)
November 23 – Ernst von Schuch, conductor (d. 1914)
date unknown - Valentina Serova, composer (d. 1924)
February 3 – Joseph Weigl the younger, composer and conductor (b. 1766)
February 13 – Johann Bernhard Logier, music teacher (b. 1777)
February 18 – William Hawes, choirmaster (b. 1785)
February 22 - Carel Anton Fodor, Dutch pianist and conductor (b. 1768)
April 16 – Domenico Dragonetti, double-bass player (b. 1763)
April 24 – Girolamo Crescentini, castrato singer (b. 1766)
July 23 – Christian Heinrich Rinck, organist and composer (b. 1770)
August 10 – Johann Simon Hermstedt, clarinettist (b. 1778)
November 1 – Franz Anton Ries, violinist (b. 1755)
December 12 – Eliza Flower, musician and composer (b. 1803)
December 25 – Swathi Thirunal Rama Varma, Maharajah of Travancore, musician, composer and patron of the arts (b. 1813)
date unknown
Dede Efendi, composer (b. 1778)
Mykola Ovsianiko-Kulikovsky, subject of a famous musical hoax
Sophie Weber, singer (b. c. 1763)
1846 in music Wikipedia (Text) CC BY-SA