 At La Scala Mirella also appeared in the 1940/1941 season in Richard Strauss's opera "Die Frau ohne Schatten".Outside Italy, she made appearances at the Teatro Liceo in Barcelona (in 1929, as Musetta, Micaëla in Bizet's "Carmen", Nedda in Ruggero Leoncavallo's "Pagliacci" as well as in parts in Russian operas), Teatro Nacional de São Carlos in Lisbon (in 1926, as Musetta and Micaëla) and the Zürich Opera House (in 1931, as Musetta).She died in 1972 at the Casa di Riposo per Musicisti, where she had lived since 1958.