1729 in music
The year 1729 in music involved some significant events.
- George Frideric Handel becomes co-manager of the King's Theatre, London.
- Pietro Locatelli settles in Amsterdam, where he will spend the rest of his life.
- Johann Sebastian Bach premieres his First Köthen Funeral Music at Evening on March 23 and his Funeral Cantata Klagt, Kinder, klagt es aller Welt, BWV 244a before midday on March 24 both at the St. James Church, Köthen for the funeral services of his former employer, Leopold, Prince of Anhalt-Köthen.
- April 15 Johann Sebastian Bach repeats his St Matthew Passion BWV 244b (BC D 3a) St. Thomas Church, Leipzig
- Joseph Bodin de Boismortier – Concerto for cello, viol or bassoon
- Antonio Caldara – Vicino a un rivoletto
- Michel Richard Delalande – Motets de feu De La Lande (Motets of the late De La Lande), a collection of grand motets
- Jean-Joseph Mouret – Symphony de Fanfare
- Antonio Vivaldi – Op. 12, a collection of violin concerti, published in Amsterdam
- Tomaso Albinoni – La fortezza al cimento
- Giovanni Battista Costanzi – Carlo Magno
- John Gay – The Beggar's Opera
- Giovanni Battista Mancini – Endimione
- May 3 – Florian Leopold Gassmann, opera composer (died 1774)
- October 1 – Anton Adlgasser, composer (died 1777)
- October 16 – Pierre van Maldere, violinist and composer (died 1768)
- October 17 – Pierre-Alexandre Monsigny, composer (died 1817)
- December 1 – Giuseppe Sarti, opera composer (died 1802)
- December 3 – Antonio Soler, composer (died 1783)
- July 16 – Johann David Heinichen, German composer (born 1683)
- June 27 – Élisabeth Jacquet de La Guerre, French harpsichordist and composer (b. 1665)
- July 31 – Nicola Francesco Haym, Roman opera librettist, composer and bibliographer working in London (born 1678)
- date unknown – Attilio Ariosti, Bolognese composer working in London (born 1666)