Fanny Eckerlin has speculated on this last point that Eckerlin may have been chafing at the restrictions of her contract, as by this time she had already appeared with some success at La Scala, where she had debuted in "La gazza ladra" during the 1817–18 season. During Eckerlin's career she spent several seasons at the Teatro Italiano in Barcelona, where a claque in her honor was created, and where she won many favorable notices for her work before accepting a contract with the Salle Favart in Paris. She was a noted interpreter of Rossini, and during his tenure at the helm of
Raquel Pierotti débuts at the Opera de Paris as Rosina in Rossini’s Barber of Seville, as well as at La Scala, Milan, as Marcellina in Mozart’s Le nozze di Figaro. Since then she has been a frequent guest at La Scala where she sang Clarice in La pietra del paragone (Rossini), Smeton in Anna Bolena (Donizetti), Rosina in Il barbiere di Siviglia (Rossini), Isabella in L’italiana in Algeri (Rossini), Maddalena in Il viaggio a Reims (Rossini), Cecilio in Lucio Silla (Mozart), and Fenena in Nabucco (Verdi) for the 1986/1987 Season Opening Night as well as in the tournées in Berlin, Japan (Tokyo,