Teresa Belloc-Giorgi Simon Mayr's "Medea in Corinto" in 1823, and Isabella in the first performance of "L'inganno felice" in Venice in 1812. She favored Rossini roles and created Ninetta, a soprano part, in "La gazza ladra" at La Scala in 1817. However, the contralto roles of "La Cenerentola", "Tancredi", and Isabella in "L'italiana in Algeri" were her most successful roles. In 1818, Belloc-Giorgi appeared in London under the name of Bellochi, but failed to find success and returned to Milan. She married a Frenchman and retired in 1828. She died in San Giorgio Canavese. Teresa Belloc-Giorgi Maria Teresa Belloc-Giorgi (Bellochi; Giorgi-Belloc; née
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