opéra semiseria meaning in English

opera semiseria

Clari is an opera semiseria in three acts by Fromental Halévy, to an Italian libretto by Pietro Giannone.
Clari est un opéra semiseria en trois actes de Jacques-Fromental Halévy sur un livret de Pietro Giannone.
He composed two operas which were never performed, but his opera semiseria Lina was successfully given at Foroni's Teatro Filarmonico in 1840, and his next opera, Clara di Mailand, was performed there later that year.
Il a composé deux opéras qui n'ont jamais été montés, mais son opéra semiseria Lina lui a apporté le succès en 1840, et son opéra suivant, Clara di Milan, a été joué un peu plus tard cette année.