In 1825, she performed in Paris, where she forged her stage name "Schütz-Oldosi", composing her husband's name and an Italianized form of her maiden name.

In 1828, she sang at the Théâtre italien de Paris the role of Elena in Rossini's La donna del lago, which she also gave at the King's Theatre of London.

In 1830, Schütz made her debut at La Scala of Milan as Giulietta in Bellini's I Capuleti e i Montecchi.

She then went on to perform at opera stages in Naples, Florence, Bologna, Lucca and Rome to sing Rossini, Bellini and Donizetti.

In 1835, she returned to Vienna for the Italian Opera Festival and sang again at the Hofoper in Bellini's La sonnambula and Donizetti's Anna Bolena.