;For the Italian "comune", see Cirò, Calabria.

Ciro (Cyrus) is an opera

Opera

Opera is an art form in which singers and musicians perform a dramatic work combining text and musical score, usually in a theatrical setting. Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes and sometimes includes dance...

 in three acts and a prologue by the Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 composer Francesco Cavalli

Francesco Cavalli

Francesco Cavalli was an Italian composer of the early Baroque period. His real name was Pietro Francesco Caletti-Bruni, but he is better known by that of Cavalli, the name of his patron Federico Cavalli, a Venetian nobleman.-Life:Cavalli was born at Crema, Lombardy...

 in collaboration with Andrea Mattioli. It was first performed at the Teatro San Giovanni e San Paolo, Venice

Venice

Venice is a city in northern Italy which is renowned for the beauty of its setting, its architecture and its artworks. It is the capital of the Veneto region...

 on January 30, 1654. The libretto

Libretto

A libretto is the text used in an extended musical work such as an opera, operetta, masque, oratorio, cantata, or musical. The term "libretto" is also sometimes used to refer to the text of major liturgical works, such as mass, requiem, and sacred cantata, or even the story line of a...

 is by Giulio Cesare Sorrentino in a revised version by Aurelio Aureli. Sorrentino's libretto

Libretto

A libretto is the text used in an extended musical work such as an opera, operetta, masque, oratorio, cantata, or musical. The term "libretto" is also sometimes used to refer to the text of major liturgical works, such as mass, requiem, and sacred cantata, or even the story line of a...

 had been set the previous year by Francesco Provenzale

Francesco Provenzale

Francesco Provenzale was an Italian Baroque composer and teacher.Before the year 1658, there is virtually no record of Provenzale's existence, although it's thought that he studied at the Conservatorio della Pietà dei Turchini in Naples. The year of his entry into history is 1654, the year his...

 for the royal theatre in Naples

Naples

Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

.