February 23 – Première of Pierre Beaumarchais's play, The Barber of Seville, which will later provide material for more than one opera.
Wilhelm Hauser becomes organist at the monastery of Lavaldieu and the teacher of Étienne Méhul.
Karl Ditters von Dittersdorf – Concerto for Oboe in D major
Joseph Martin Kraus – Requiem
Wolfgang Amadeus Mozart – Violin Concertos 3, 4 & 5
Johann André – Erwin und Elmire
Wolfgang Amadeus Mozart
La finta giardiniera
Il re pastore
Josef Mysliveček – Il Demofoonte
January 21 – Manuel del Pópulo Vicente García, singer and composer (d. 1832)
June 4 – Francesco Molino, guitarist and composer (d. 1847)
June 13 – Antoni Radziwiłł, politician and musician (d. 1833)
July 5 – William Crotch, composer (d. 1847)
August 2 – José Ángel Lamas, composer (d. 1814)
August 31 – François de Fossa, guitarist and composer (d. 1849)
October 15 – Bernhard Henrik Crusell, clarinettist and composer (d. 1838)
October 21 – Giuseppe Baini, composer and music critic (d. 1844)
October 30 – Catterino Cavos, organist, conductor and composer (d. 1840)
December 16 – François-Adrien Boïeldieu, composer (d. 1834)
December 25 – Antun Sorkočević, writer, composer and diplomat (d. 1841)
September 17 – Margrethe Schall, ballerina (d. 1852)
date unknown
Joseph Antonio Emidy, violinist and composer (d. 1835)
Andrea Nozzari, operatic tenor (d. 1832)
January 15 – Giovanni Battista Sammartini, organist and composer (b. c. 1700)
May 1-4? — Francesco Barsanti, composer; recorder & oboe virtuoso (b. 1690)
May 7 – Cornelius Heinrich Dretzel, organist and composer (b. 1697)
May 9 – Vittoria Tesi, operatic contralto (b. 1700)
June 11 – Egidio Duni, composer (b. 1708)
July 26 – Alessandro Besozzi, oboist and composer (b. 1702)
November 7 – François Rebel, composer (b. 1701)
December 9 – Pietro Gnocchi, composer (b. 1689)
date unknown - Rosa Scarlatti, opera singer (b. 1727)
1775 in music Wikipedia (Text) CC BY-SA