1645 in music

Events

• Juan Hidalgo de Polanco becomes leader of the chamber musicians at Spain's royal court.

Publications

• Giovanni Battista Abatessa – Intessatura di varii fiori..., a collection of guitar music, published in Naples

Classical music

• Girolamo Frescobaldi – Canzoni alla francese, a posthumous print
• Cornelis Thymanszoon Padbrué - 't Lof Jubals, Op. 4, a collection of madrigals and motets

Opera

• Giovanni Faustini – ''Doriclea''

Births

• February 9 – Johann Aegidus Bach, organist and conductor
• February 22
• *Johann Ambrosius Bach, musician
• *Johann Christoph Bach, musician
• November 30 – Andreas Werckmeister, organist and composer

Deaths

• April 16 – Tobias Hume, soldier, viol player and composer
• September 24 – William Lawes, English composer
• date unknown – William Smith, composer