Demetrio (1773)

Demetrio is an eighteenth-century Italian opera in 3 acts by the Czech composer Josef Mysliveček. It was the composer's first setting of a libretto by the Italian poet Metastasio that was first performed in 1731, one of the most popular of the Metastasian librettos in Mysliveček's day. For a performance in the 1770s, it would only be expected that a libretto of such age would be abbreviated and altered to suit contemporary operatic taste. The cuts and changes in the text made for the 1773 performance of Mysliveček's opera are not attributable. All of Mysliveček's operas are of the serious type in Italian language referred to as opera seria.

The opera was first performed at the Teatro Nuovo in Pavia on 24 May 1773. It was commissioned to serve as the first opera to be played in a newly constructed theater in the city, and it was considered to be a great honor for Mysliveček to compose the inaugural opera. The organizers were able to attract only one distinguished singer for the cast, however: the soprano Lucrezia Aguiari, whose name has been linked romantically to Mysliveček's erroneously in earlier musicological literature. Her aria "Agitata in tanti affanni" was widely disseminated in late eighteenth-century aria collections.

Act I, scene 1 - Aria of Olinto, "Di quell'ingiusto sdegno"
Act I, scene 2 - Aria of Cleonice, "Fra tanti pensieri"
Act I, scene 3 - Aria of Barsene, "Non ti lagnar del fato"
Act I, scene 4 - Aria of Fenicio, "Ogni procella infida"
Act I, scene 5 - Aria of Cleonice, "Se non posso su quel trono" [a non-Metastasian text]
Act I, scene 6 - Aria of Fenicio, "Il ciel rispetta il soglio"
Act I, scene 7 - Aria of Alceste, "Scherza il nocchier talora"
Act I, scene 9 - Duet for Cleonice and Alceste, "D'un amoroso accento" [a non-Metastasian text]

Act II, scene 2 - Aria of Alceste, "Dal suo gentil sembiante" [a non-Metastasian text]
Act II, scene 3 - Aria of Mitrane, "Dice che t'è fedele"
Act II, scene 4 - Aria of Cleonice, "Nacqui gli affanni in seno"
Act II, scene 5 - Aria of Fenicio, "Alme incaute che torbide ancora"
Act II, scene 6 - Aria of Barsene, "So che per gioco"
Act II, scene 7 - Aria of Olinto, "Non fidi al mar che freme"
Act II, scene 9 - Aria of Alceste, "Non so frenare il pianto"
Act II, scene 11 - Aria of Cleonice, "Agitata in tanti affanni" [a non-Metastasian text]

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