A scherzo is a short, lively piece of classical music which is usually part of a longer piece of music. scherzos a happy piece of music that is meant to be played quickly. (Italian; "joke") Musical movement in rapid triple time; it replaced the minuet in genres such as the symphony, sonata, and string quartet in the 19th century. The name was first used for light vocal and instrumental pieces of the Baroque era. It formally often resembles the minuet, being in rounded binary form and having a contrasting trio section between two statements of the scherzo proper, but its tempo is often much faster and its style may range from playful to vehement or grotesque
Composition in A-B-A form, usually in triple meter; replaced the minuet and trio in the nineteenth century