Opera semiseria opera seria and opera semiseria. Opera semiseria Opera semiseria ('semi-serious opera') is an Italian genre of opera, popular in the early and middle 19th century. Related to the opera buffa, opera semiseria contains elements of comedy but also of pathos, sometimes with a pastoral setting. It can usually be distinguished from tragic operas or melodramas by the presence of a basso buffo. One of the better-known examples is Gaetano Donizetti's "Linda di Chamounix". Another example is Gioacchino Rossini's "La gazza ladra". Vincenzo Bellini's "La sonnambula" has all the characteristics of the genre except the presence of the required basso buffo
La pietra del paragone La pietra del paragone La pietra del paragone (The Touchstone) is an opera, or melodramma giocoso, in two acts by Gioachino Rossini, to an original Italian libretto by Luigi Romanelli. "La pietra del paragone" was first performed at La Scala, Milan, on 26 September 1812. It was the composer's first commission from a major opera house and was an instant success, being performed 53 times during its first season. Napoleon's Viceroy in Milan, Eugène de Beauharnais, was so impressed by the opera that he wrote to the Minister of the Interior, "You will kindly arrange for Maestro Joachin Rossini to