
Opera is a form of
theatre
Theatre or theater is a collaborative form of performing art that uses live performers, usually actors or actresses, to present the experience of a real or imagined event before a live audience in a specific place, often a stage. The perfor ...
in which
music
Music is generally defined as the The arts, art of arranging sound to create some combination of Musical form, form, harmony, melody, rhythm or otherwise Musical expression, expressive content. Exact definition of music, definitions of mu ...
is a fundamental component and dramatic roles are taken by
singers. Such a "work" (the literal translation of the Italian word "opera") is typically a collaboration between a
composer and a
librettist and incorporates a number of the
performing arts, such as
acting,
scenery,
costume, and sometimes
dance or
ballet
Ballet () is a type of performance dance that originated during the Italian Renaissance in the fifteenth century and later developed into a concert dance form in France and Russia. It has since become a widespread and highly technical form ...
. The performance is typically given in an
opera house
An opera house is a theater (structure), theatre building used for performances of opera. It usually includes a Stage (theatre), stage, an orchestra pit, audience seating, and backstage facilities for costumes and building sets.
While some venu ...
, accompanied by an
orchestra
An orchestra (; ) is a large instrumental ensemble typical of classical music, which combines instruments from different families.
There are typically four main sections of instruments:
* bowed string instruments, such as the violin, viola, c ...
or smaller
musical ensemble, which since the early 19th century has been led by a