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
Faust (opera) a three-act revision. It is also possible that the 1861 Dresden title change was out of respect for Spohr's close and long association with the city. The opera was given for the first time in Italy at La Scala in 1862 and in England at Her Majesty’s Theatre, London (in Italian) in 1863. In 1864, when the opera was given at the same venue in English, Gounod took a theme from the prelude to the opera and wrote a new aria for the star baritone Charles Santley in the role of Valentin, 'Even bravest heart may swell' (with words by