Classical music

n. instrumental music, orchestral music, music of the classical period; free expression for American and European and music of more serious type

Classical music is a broad term that usually refers to music produced in, or rooted in the traditions of, Western art, ecclesiastical and concert music, encompassing a broad period from roughly the 9th century to the 21st century. The central norms of this tradition became codified between 1550 and 1900, which known as the common practice period.
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Noun
1. traditional genre of music conforming to an established form and appealing to critical interest and developed musical taste
(synonym) serious music
(hypernym) music genre, musical genre, genre, musical style
(hyponym) chamber music

MUSICA CLASSICA