Classical music covers a number of historical periods from Medieval (before 1400) to Renaissance (1400-1600) to Baroque (1600-1750) to Classical (1750-1820) to Romantic (1820-1900) encompassing a variety of styles such as Symphony, Opera, Choral works, Chamber music, Gregorian chant, Mass etc.
Instruments used in Classical Music are most commonly found in orchestras as well as solo instruments such as piano, harpsichord, and organ. The human voice is also a key instrument in Opera.
Royalty free classical music is ideal as background music for a multitude of media productions. Classical music has often been used in movies, television, commericals and advertising.