|Covid-19|Johann Christoph Pepusch arrives in London.
Following her husband's death, Elisabeth-Claude Jacquet de la Guerre begins hosting concerts in her home.
Antonio Vivaldi becomes general superintendent of music at the Ospedale della Pietà, Venice.
Johann Jacob Bach becomes an oboist in the army of King Charles XII of Sweden, inspiring Johann Sebastian to write a Capriccio on the Absence of His Most Beloved Brother.
During a performance of Johann Mattheson's opera, Cleopatra, the composer almost kills his friend, Georg Frideric Handel, in a violent quarrel.
Setting by Reinhard Keiser of Der blutige und sterbende Jesus by Christian Friedrich Hunold
Nach dir, Herr, verlanget mich (cantata) by Johann Sebastian Bach
Johann Mattheson – Die unglückselige Cleopatra
Carlo Francesco Pollarolo – Irene (revised by Domenico Scarlatti for performance at Naples).
May 7 – Carl Heinrich Graun, composer and singer (died 1759)
June 11 – Carlos Seixas, composer (died 1742)
October 2 – František Tůma, organist and composer (died 1774)
December 31 – Carl Gotthelf Gerlach, organist (died 1761)
probable – Claude Parisot, organ builder (died 1784)
February 7 – Lady Mary Dering, composer (born 1629)
February 23 – Georg Muffat, composer (born 1653)
February 24 – Marc-Antoine Charpentier, composer (born 1643)
February 25 – Isabella Leonarda, composer of church music (born 1620)
April – Georg Christoph Strattner, friend and colleague of Bach at Lüneburg (born c. 1644)
May 3 – Heinrich Ignaz Biber, violinist and composer (born 1644)
September 6 – Francesco Provenzale, composer (born 1624)
November 2 – Johann Jakob Walther, violinist and composer (born 1650)
November 16 - Chikka Devaraja, ruler of Mysore, composer and music theorist (born 1673)
date unknown - Selim I Giray, Crimean khan, also known as a poet and musician (born 1631)
1704 in music Wikipedia
The year 1704 in music involved some significant events.