en 1670 in music

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The year 1670 in music involved some significant events.

Events

June – Christian Geist joins the Swedish court orchestra under Gustaf Düben.
October 14 – First performance of Molière's Le Bourgeois gentilhomme, a five-act comédie-ballet – a play intermingled with music, dance and singing – at the court of King Louis XIV of France.

Angelo Berardi – Sinfonie a violino solo con basso continuo Libro primo, Op. 7
Maurizio Cazzati – Op. 55, a collection of sonatas
Jacques Champion de Chambonnières – Les Pieces de clavessin, Livre premier
Marc-Antoine Charpentier – O pretiosum, O salutiferum, H.245
Denis Gaultier – Pièces de luth sur trois différens modes nouveaux
Giovanni Legrenzi – Acclamationi divote, Op.10
Pavel Josef Vejvanovský – Baletti pro tabula in C major for 2 trumpets, organ, strings (CZ-KRa A 885)

January 24 – William Congreve, lyricist and librettist (died 1729)
July 18 – Giovanni Bononcini, cellist and composer (died 1747)
July 19 – Richard Leveridge, singer and composer (died 1758)
September 9 – Andreas Armsdorff, composer (died 1699)
date unknown
- Julie d'Aubigny ("La Maupin"), opera singer (died 1707)
- Pompeo Cannicciari, Italian composer (died 1744)
- Henry Eccles, English composer (died 1742)
- John Christian Jacobi, composer (died 1750)
- Turlough O'Carolan, harpist (died 1738)
probable
- Antonio Caldara, composer (died 1736)
- Johann Caspar Ferdinand Fischer, composer (died 1746)

April 6 – Leonora Baroni, singer, musician and composer (born 1611)
April 23 – Loreto Vittori, Italian castrato singer and composer (born c.1590)
July 18 – Giuseppe Allevi, composer (born c. 1603)
date unknown
- François Du Fault, composer
- Cornelis Thymenszoon Padbrué, composer (born c.1592)