1842 in music

Events

 * May 31 – Frederick William IV of Prussia creates a civil class of the order Pour le Mérite for the arts and sciences. Those honoured include: Felix Mendelssohn, Franz Liszt and Gioachino Rossini.
 * October 20 – Hans von Bülow attends the first performance of Wagner's Rienzi in Dresden.
 * December 7 – The New York Philharmonic orchestra performs its first concert.
 * 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.

Popular music

 * Frederick Ellard – Sydney Corporation Quadrilles
 * Antoine Gérin-Lajoie – "Un Canadien errant" ("A Wandering Canadian")

Classical music

 * Adolphe Adam – La jolie fille de Gand, Ballet premiered June 22 in Paris
 * Jacob Arcadelt – Ave Maria
 * Hector Berlioz
 * Rêverie et Caprice, H 88, premiered February 1 in Paris
 * La mort d'Ophélie, H 92, composition begun
 * 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
 * Festival of the Bayadères
 * Alexandre-Pierre-François Boëly – Messe du jour de Noel, Op.11
 * Anton Bruckner – Windhaager Messe, WAB 25
 * Frédéric Chopin
 * Mazurkas, Op.50
 * Ballade No. 4, Op.52
 * Polonaise for Piano in A-flat major, B 147/Op. 53 "Heroic"
 * Waltzes, Op.70, No. 2
 * Carl Czerny – Nocturne, Op.647
 * Friedrich Dotzauer – 24 Études journalières, Op.155
 * Heinrich Wilhelm Ernst
 * Boléro, Op.16
 * Polonaise, Op.17
 * Feuillet d'album
 * August Freyer – Concert-Fantasie, Op.1
 * Niels Gade
 * 3 Nordiske Tonebilleder, Op.4
 * Violin Sonata No. 1, Op. 6
 * Johann Peter Emilius Hartmann – Piano Sonata in D minor, Op.34
 * Ferdinand Hiller – Die Zerstörung Jerusalems, Op.24
 * Johann Wenzel Kalliwoda – Overture No.10, Op.142
 * Joseph Lanner – Die Schönbrunner Waltzer
 * Franz Liszt – Ave Maria I, S.20
 * Felix Mendelssohn
 * Venetianisches Gondellied, MWV K 114 (Op. 57, No. 5)
 * Incidental music to A Midsummer Night's Dream (including the Wedding March)
 * Die Stille, MWV K 112 (Op. 99, No. 6)
 * Symphony No. 3 ("Scottish")
 * Gioachino Rossini – Stabat Mater
 * 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
 * Louis Spohr – Piano Sonata Op. 125
 * Vaclav Veit – Concert-Ouverture, Op.17
 * Henri Vieuxtemps – Le Papillon

Opera

 * Daniel François Esprit Auber – Le duc d'Olonne, premiered February 4 in Paris
 * Gaetano Donizetti – Linda di Chamounix, May 19 at Theater am Kärntnertor, Vienna
 * Mikhail Glinka – Ruslan and Lyudmila, November 27(Old Style) at Bolshoi Theatre, Saint Petersburg
 * Franz Paul Lachner – Catharina Cornaro, Op.71
 * 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

Musical theatre

 * March 10 – Einen Jux will er sich machen by Johann Nestroy, with music by Adolf Müller, opens at the Theater an der Wien.

Births

 * February 24 – Arrigo Boito, Italian poet and composer (died 1918)
 * February 25 – Karl May, lyricist (died 1912)
 * March 10 – Mykola Lysenko, Ukrainian composer (died 1912)
 * March 18 – Stéphane Mallarmé, lyricist (died 1898)
 * March 22 – Carl Rosa, musical impresario (died 1889)
 * April 14 – Sven August Körling, composer of art songs (died 1919)
 * April 29 – Carl Millöcker, composer (died 1899)
 * May 3 – Sophus Hagen, composer (died 1929)
 * May 12 – Jules Massenet, opera composer (died 1912)
 * May 13 – Arthur Sullivan, composer (died 1900)
 * May 14 – Alphons Czibulka, pianist, conductor and composer (died 1894)
 * May 17 – Henry Cotter Nixon, pianist (died 1907)
 * May 23 – Maria Konopnicka, lyricist (died 1910)
 * June 4 – Samuel Brenton Whitney, organist (died 1914)
 * June 7 – Henri Gobbi, composer (died 1920)
 * June 12 – Rikard Nordraak, Norwegian composer (died 1866)
 * June 19 – Carl Zeller, Austrian composer (died 1898)
 * June 29 – Josef Labor, composer (died 1924)
 * July 4 – Gyula Erkel, Hungarian composer (died 1909), son of Ferenc Erkel
 * July 16 – Eugen Maria Albrecht, composer (died 1894)
 * July 29 – Charles Collette, actor and composer (died 1924)
 * September 12 – Marianne Brandt, operatic contralto (died 1921)
 * September 13 – Ödön Mihalovich, composer (died 1929)
 * September 24 – Emma Livry, ballerina (died 1863)
 * October 13 – Antonio Pasculli, oboist and composer (died 1924)
 * October 26 – Hugo Alpen, composer (died 1917)
 * November 8 – Eugen Gura, operatic baritone (died 1906)
 * November 24
 * Peter Jerndorff, Danish opera singer and stage actor (died 1926)
 * Pavel Viskovatov, lyricist (died 1905)
 * December 6 – Pavel Viskovatov, librettist (died 1905)
 * date unknown – Pallavi Seshayyar, composer of Carnatic music (died 1909)

Deaths

 * January 7 – Joseph Czerny, composer (born 1785)
 * January 9 – Alexandre Duval, librettist and actor (born 1767)
 * January 19 – Heinrich Anton Hoffmann, violinist (born 1770)
 * March 6 – Constanze Mozart, widow of Wolfgang Amadeus Mozart (born 1762)
 * March 7 – Christian Theodor Weinlig, composer and conductor (born 1780)
 * March 15 – Luigi Cherubini, composer (born 1760)
 * April 6 – Johann Anton André, composer and music publisher (born 1775)
 * April 14 – Jean-Nicolas Bouilly, librettist (born 1763)
 * April 26 – Louis Bocquillon, composer (born 1781)
 * May 5 – Jean Elleviou, operatic tenor (born 1769)
 * June 4 – Georg Friedrich Treitschke, librettist (born 1776)
 * June 18 – Tobias Haslinger, composer (born 1787)
 * June 20 – Michael Umlauf, violinist and composer (born 1781)
 * July 23 – Timothy Swan, hat-maker and composer (born 1758)
 * August 21 – Johann Friedrich Leopold Duncker, lyricist (born 1768)
 * August 25 – Jérôme-Joseph de Momigny, composer and music theorist (born 1762)
 * September 15 – Pierre Baillot, violinist and composer (born 1771)
 * October 8 – Christoph Ernst Friedrich Weyse, composer (born 1774)
 * November 3 – Franz Clement, violinist, pianist, composer, conductor and friend of Beethoven (born 1780)
 * November 17 – Luigi Capotorti, Italian composer (born 1767)
 * December 16 – Friedrich Rochlitz, musicologist (born 1769)
 * December 18 – Giuseppe Nicolini, composer (born 1762)
 * December 25 – Bedřich Diviš Weber, composer and founding principal of the Prague Conservatory (born 1766)