sentences:  That same year she won the first prize in the ""New Voices for Opera"" competition dedicated to Maria Callas.In 1981 she made her operatic debut in Florence as Giulietta in Bellini's "I Capuleti e i Montecchi" and rose to prominence following her successful debut at La Scala in 1982 when at very short notice she replaced Montserrat Caballé in the title role of Donizetti's "Anna Bolena".Following her debut at the Rossini Opera Festival in Pesaro in 1983 she became a well-known singer in Rossini's operas during the 1980s, with 14 different Rossinian roles in her repertoire.