sentences:  Within a year, she joined the Teatro alla Scala in Milan as Meg Page in Verdi's "Falstaff".Soon she was given the part of Azucena in "Il trovatore", which quickly became her signature role and was her debut role at the Metropolitan Opera in 1947.Other roles there included Santuzza, Ulrica in "Un ballo in maschera", Mrs Quickly in "Falstaff"—the latter she recorded in 1950, opposite Giuseppe Valdengo—and Herva Nelli, with Arturo Toscanini conducting.