It is called the Overture, sometimes spelled the Ouverture.
Overature
An instrumental introduction to an large work, like an oratorio or opera.
The OVERTURE is the orchestral introduction to an opera.
a. an elaborate instrumental composition in three or more movements, similar in form to a sonata but written for an orchestra and usually of far grander proportions and more varied elements. b. an instrumental passage occurring in a vocal composition, or between vocal movements in a composition. c. an instrumental piece, often in several movements, forming the overture to an opera or the like. d. a concert performed by a symphony orchestra. e. anything characterized by a harmonious combination of elements
Opera. Oratorio.
An overture is an orchestral piece at the opening of an opera, suite, play, oratorio, or concert. It is usually an instrumental composition which serves as an introduction to an extended work.
Overature
1. Libretto - text of opera 2. Overture - instrumental composition which serves as introduction 3. recitative - song dialogue 4. aria - reflects dramatic feelings 5. duo, trio and other small ensemble 6. orchestra 7. chorus 8. acts and scenes 9. ballet
An instrumental introduction to an large work, like an oratorio or opera.
At the start. However, it is not unusual for Beethoven's overture Leonore #3 to be played between the final scenes of his opera Fidelio. The original name of his opera Fidelio being 'Leonore' for which he wrote 3 overtures called Leonore 1, 2 & 3 - as well as his overture to Fidelio
Opera.
The OVERTURE is the orchestral introduction to an opera.
a. an elaborate instrumental composition in three or more movements, similar in form to a sonata but written for an orchestra and usually of far grander proportions and more varied elements. b. an instrumental passage occurring in a vocal composition, or between vocal movements in a composition. c. an instrumental piece, often in several movements, forming the overture to an opera or the like. d. a concert performed by a symphony orchestra. e. anything characterized by a harmonious combination of elements
Zaide is an unfinished opera by Mozart. He started its composition in 1780.
sinfonia
Opera is a play to be sung by one or more persons with instrumental accompaniment and acted in costume. a drama that is set to music
Opera.