About the only way to know is to listen to it. Answering this question in words is like describing the taste of salt to someone who never ever tasted salt. Listen to Mozart, Beethoven, Chopin, and Bach. Then you'll have an idea of the style of classical music.
Mainly classical music
Mozart wrote music in the Classical style.
Classical
The style of music Antonio Vivaldi played was Baroque music which he turned into a classical style.
how many concert orchestras are there playing a Western style of classical music
classical
it started in 1700 - 1825
Composer Edvard Grieg merged a Classical and Romantic style of music with traditional.
Music composed in the style of Franz Joseph Haydn (classical-period composer).
Yiruma's music style is popular with a classical twist. The style is classified by ITunes as World Music or New Age. Although influenced by the classics and sounding classical in parts, his music is much more popular in structure.
Classical music in the Romantic style.
Baroque music is a style of European classical music extending from 1600 to 1750.