classical music

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun music Music of the classical period; the music of Mozart, Haydn, etc; the musical period before the romantic.
• noun informal The more serious forms of European and American music, as opposed to folk music, jazz or the many forms of popular music.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun traditional genre of music conforming to an established form and appealing to critical interest and developed musical taste