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
Rudy La Scala under the name Flavio, released the song "Piensa, Sueña y Rie". Three years later, he changed his name to Rudy La Scala and presents the song "Woman", issued in Venezuela, Brasil, France and South Africa. The following year, La Scala recorded in Italy an album with Vittorio De Scalzi, the lead singer of the Italian progressive rock band New Trolls. In 1979, La Scala along with Cuban-Venezuelan singer María Conchita Alonso in the lead vocals formed Ambar, a disco music duo. They recorded "Love Maniac", and the song "It's Time to Dance" became a hit, earning them a Gold album