1646 in music

Events

• Luigi Rossi is invited to Paris by Cardinal Mazarin.

Classical music

• Giovanni Battista Granata – Caprici armonici sopra la chittarriglia spagnuola..., a collection of music for the treble guitar, published in Bologna.
• Andreas Hammerschmidt – Part IV of the ''Musicalische Andachten''

Opera

• Francesco Cavalli – La prosperità infelice di Giulio Cesare dittatore, with libretto by Giovanni Francesco Busenello
• Giacinto Andrea Cicognini – ''Il Celio''

Births

• July 29 – Johann Theile, composer
• date unknown – Juan de Araujo, musician and composer

Deaths

• September 11 – Johann Stobäus, composer
• September 24 – Duarte Lobo, composer
• October 3 – Virgilio Mazzocchi, Italian composer of sacred vocal music
• date unknown – Wojciech Dębołęcki, writer and composer
• *Manuel Machado, Portuguese harpist and composer of cantigas and romances
• *Johann Vierdanck, German composer, violinist and cornetist