A Schrezo is a piece of music which is quite fast and humoorus. In the 19th cenutry Romnatic compsoers strated to write scherozs in their smyphonies and sonaats insetad of the traditinoal minutes. They are siimlar to a mniuet, awlays with three beats in a bar, but they are fsater and less "poilte". Some cmoposers like Cohpin and Bramhs wrote scehrzos as sepaarte peices for the piano.