May 31 – Frederick William IV of Prussia creates a new order of merit for the arts and sciences. Those honoured include: Felix Mendelssohn, Franz Liszt and Gioacchino Rossini.
Louis Gottschalk leaves the United States to obtain a classical training in Europe. Pierre Zimmerman, professor of piano at the Paris Conservatory, refuses to hear him because 'America is a country of Steam Engines'.
Franz von Suppé makes his debut as a singer as Dulcamara in Donizetti's L'Elisir d'Amore at the Ödenburg Theatre.
Camille Saint-Saëns begins studying piano under Camille-Marie Stamaty.
Antoine Gérin-Lajoie – "Un Canadien errant" ("A Wandering Canadian")
Franz Berwald
Symphony No. 1 in G minor "Sinfonie sérieuse"
Symphony No. 2 in D "Sinfonie capricieuse"
Ernste und heitere Grillen, for orchestra
Erinnerung an die norwegischen Alpen, for orchestra
Frédéric Chopin – Polonaise for Piano in A flat major, B 147/Op. 53 "Heroic"
Josef Lanner – Die Schönbrunner Waltzer
Felix Mendelssohn – Symphony No. 3 ("Scottish")
Robert Schumann
Three String Quartets in A minor, F and A, Op. 41
Piano Quintet in E flat, Op. 44
Piano Quartet in E flat, Op. 47
Angelo Catelani – Caràttaco
Gaetano Donizetti – Linda di Chamounix, May 19 at Theater am Kärntnertor, Vienna
Mikhail Ivanovich Glinka – Ruslan and Lyudmila, November 27(Old Style) at Bolshoi Kamenny Theatre, Saint Petersburg
Albert Lortzing – Der Wildschütz, December 31 at Stadttheater, Leipzig
Giuseppe Verdi – Nabucco, March 9 at La Scala, Milan
Richard Wagner – Rienzi, October 20 at Hofoper, Dresden
March 10 – Einen Jux will er sich machen by Johann Nestroy, with music by Adolf Müller, opens at the Theater an der Wien.
February 24 – Arrigo Boito, Italian poet and composer (d. 1918)
March 10 – Mykola Lysenko, Ukrainian composer (d. 1912)
March 22 – Carl Rosa, musical impresario (d. 1889)
April 14 – Sven August Körling, composer of art songs (d. 1919)
May 3 – Sophus Hagen, composer (d. 1929)
May 12 – Jules Massenet, opera composer (d. 1912)
May 13 – Arthur Sullivan, composer (d. 1900)
May 14 – Alphons Czibulka, pianist, conductor and composer (d. 1894)
June 12 – Rikard Nordraak, Norwegian composer (d. 1866)
June 19 – Karl Zeller, Austrian composer (d. 1898)
July 4 – Gyula Erkel, Hungarian composer, son of Ferenc Erkel
July 29 – Charles Collette, actor and composer (d. 1924)
September 12 – Marianne Brandt, operatic contralto (d. 1921)
September 24 – Emma Livry, ballerina (d. 1863)
October 13 – Antonio Pasculli, oboist and composer (d. 1924)
November 8 – Eugen Gura, operatic baritone (d. 1906)
November 24 – Peter Jerndorff, Danish opera singer and stage actor (d. 1926)
date unknown – Pallavi Seshayyar, composer of Carnatic music (d. 1909)
March 6 – Constanze Mozart, widow of Wolfgang Amadeus Mozart (b. 1762)
March 7 – Christian Theodor Weinlig, composer and conductor (b. 1780)
March 15 – Luigi Cherubini, composer (b. 1760)
April 6 – Johann Anton André, composer and music publisher (b. 1775)
May 5 – Jean Elleviou, operatic tenor (b. 1769)
June 4 – Georg Friedrich Treitschke, librettist (b. 1776)
June 20 – Michael Umlauf, violinist and composer (b. 1781)
July 23 – Timothy Swan, hat-maker and composer (b. 1758)
August 25 – Jérôme-Joseph de Momigny, composer and music theorist (b. 1762)
September 15 – Pierre Baillot, violinist and composer (b. 1771)
October 8 – Christoph Ernst Friedrich Weyse, composer (b. 1774)
November 3 – Franz Clement, violinist, pianist, composer, conductor and friend of Beethoven (b. 1780)
December 18 – Giuseppe Nicolini, composer (b. 1762)
December 25 – Bedřich Diviš Weber, composer and founding principal of the Prague Conservatory (b. 1766)
1842 in music Wikipedia (Text) CC BY-SA