1751 is the year commonly given as the beginning of the classical era
The "War of the Buffoons" (La Querelle des Bouffons), concerning the relative merits of French and Italian opera, divides Paris.
Francesco Geminiani publishes "The Art of Playing on the Violin" in London.
Antoine Dauvergne – Concerts de Simphonies
Johann Sebastian Bach – Kunst der Fuge with appendix of Chorale prelude BWV 668a (posthumously)
John Francis Wade – Cantus Diversi including Adeste Fideles ("O Come All Ye Faithful")
Johann Adolf Hasse – Ciro Riconosciuto
Joseph Haydn – Der Krumme Teufel (singspiel)
Niccolò Jommelli – La villana nobile; Ifigenia in Aulide
Jean-Philippe Rameau – Acante et Céphise
Giuseppe Sarti – Pompeo in Armenia
January 18 – Ferdinand Kauer, pianist and composer (died 1831)
February 9 – Antoine Bullant, bassoonist and composer (died 1821)
March 5 – Jan Křtitel Kuchař, composer
March 29 – Supply Belcher, singer, composer and compiler of tune books (died 1836)
date unknown – Blas de Laserna, composer
January 17 – Tomaso Albinoni (born 1671)
February 18 – Giuseppe Matteo Alberti, composer (born 1685)
May 20 – Domènec Terradellas, composer (born 1713)
October 2 - Pierre Dumage, organist (born c. 1674)
date unknown - Henry Reinhold, singer (born c. 1690)
1751 in music Wikipedia (Text) CC BY-SA