The dates of the Classical period in Western music are generally accepted as being between about the year 1730 and the year 1820. However, the term classical music is often used in a colloquial sense as a synonym for Western art music which describes a variety of Western musical styles from the Middle Ages to the present, and especially from the seventeenth century to the nineteenth. This article is about the specific period in most of the 18th century to the early 19th century, though overlapping with the Baroque and Romantic periods.
The Classical period falls between the Baroque and the Romantic periods. Classical music has a lighter, clearer texture than Baroque music and is less complex. It is mainly homophonic, using a clear melody line over a subordinate chordal accompaniment, but counterpoint was by no means forgotten, especially later in the period. It also makes use of style galant which emphasized light elegance in place of the Baroque's dignified seriousness and impressive grandeur. Variety and contrast within a piece became more pronounced than before and the orchestra increased in size, range, and power.
The harpsichord was replaced as the main keyboard instrument by the piano (or fortepiano). Unlike the harpsichord, which plucked strings with quills, pianos strike the strings with leather-covered hammers when the keys are pressed, which enables the performer to play louder or softer and play with more expression; in contrast, the force with which a performer plays the harpsichord keys does not change the sound. Instrumental music was considered important by Classical period composers. The main kinds of instrumental music were the sonata, trio, string quartet, symphony (performed by an orchestra) and the solo concerto, which featured a virtuoso solo performer playing a solo work for violin, piano, flute, or another instrument, accompanied by an orchestra. Vocal music, such as songs for a singer and piano (notably the work of Schubert), choral works, and opera (a staged dramatic work for singers and orchestra) were also important during this period.