This is a list of music-related events in 1812.
January 8 - The première of 19-year-old Rossini's L’inganno felice takes place at Teatro San Moisè, Venice.
January 17 - Carl Maria von Weber leaves Leipzig for Gotha.
February 11 - Carl Czerny gives the first Vienna performance of Beethoven's "Emperor" concerto.
February 18 - Carl Maria von Weber performs in Dresden but is not a success.
February 20 - Weber and his friend, clarinettist Heinrich Baermann, stay overnight in Berlin with the family of Baermann's former teacher Joseph Beer (father of Giacomo Meyerbeer).
March 8 - Composer Georg Joseph Vogler and his pupil Jacob Beer, the future Meyerbeer, leave Darmstadt for Munich.
May – The Royal Swedish Opera reopens after a 5-year gap.
May 26 - Luigi Cherubini resigns from his position at the Académie Impériale de Musique.
June 17 - Vogler and his pupil Beer are presented to the Queen of Bavaria at Nymphenburg.
July 2 - Ludwig van Beethoven visits his patron Prince Kinsky, seeking an advance on his promised remuneration.
July 26 - Fifteen-year-old Franz Schubert makes his last appearance as a chorister at the Imperial Chapel in Vienna.
September 11 - Johann Nepomuk Hummel's ballet Sappho von Mitilene receives its première at Vienna.
October 5 - Ludwig van Beethoven comes to Linz to try to stop his brother Johann's affair with Therese Obermayer.
November 9 - Johann van Beethoven marries Therese Obermayer.
November 23 - Meyerbeer's first opera, Jephtas Gelübde, receives its première at the Hoftheater, Munich.
December 31 - Giacomo Meyerbeer becomes the toast of Munich after performing at a concert for the benefit of wounded Bavarian soldiers.
Ludwig van Beethoven
Symphony no. 7 (Opus 92)
Symphony no. 8 (Opus 93)
Violin Sonata No. 10
William Crotch - Palestine (oratorio)
Jan Ladislav Dussek - Two Duos for piano and harp
Giovanni Paisiello - Mass in C
Antonio Salieri - Kyrie in C
François-Adrien Boieldieu - Jean de Paris
Giacomo Meyerbeer - Jephtas Gelübde
Gioachino Rossini
Ciro in Babilonia
Demetrio e Polibio
L'inganno felice
La scala di seta
January 14 – Karl Graedener, composer (d. 1883)
January 21 – Eduard Tauwitz, composer (d. 1894)
March 11 – William Vincent Wallace, composer (d. 1865)
April 20 – Pauline Åhman, harpist (d. 1904)
April 27 – Friedrich von Flotow, composer (d. 1883)
May 14 – Emilie Mayer, composer (d. 1883)
June 27 – John Pyke Hullah, composer and music teacher (d. 1884)
October 1 – Johann Rufinatscha, composer, music theorist and teacher (d. 1893)
November 28 – Ludvig Mathias Lindeman, composer (d. 1887)
December 28 – Julius Rietz, cellist, conductor and composer (d. 1877)
February 9 – Franz Anton Hoffmeister, composer and music publisher (born 1754)
March 20 – Jan Ladislav Dussek, pianist and composer (born 1760)
March 27 – Joachim Albertini, composer (born 1748)
May 21 – Joseph Wölfl, pianist and composer (born 1773)
June 15 – Anton Stadler, clarinet and basset horn player (born 1753)
July 17 – John Broadwood, piano manufacturer (born 1732)
July 24 – Joseph Schuster, composer (born 1748)
August 19 – Vincenzo Righini, composer, singer and kapellmeister (born 1756)
September 21 – Emanuel Schikaneder, impresario, actor, singer and librettist (born 1751)
December – Michel-Joseph Gebauer, instrumentalist, bandmaster and composer (born 1763)
December 13 – Marianne von Martinez, singer, pianist and composer (born 1744)
date unknown – Christian Benjamin Uber, amateur musician and composer (born 1746)
1812 in music Wikipedia (Text) CC BY-SA