His first conducting appearance at the Bolshoi Theatre was in a 1957 production of Cavalleria rusticana.
She returned several times to Malta where she sang at the Teatru Manoel as Leonora in La forza del destino (1963) and Santuzza in Cavalleria rusticana (1965), as well as a Royal Gala Performance at the theatre for Queen Elizabeth II and Prince Philip (1967).
She began her show business career at the age of three with a walk-on role in the opera Cavalleria Rusticana and followed in the footsteps of her mother, Mimi Aguglia, performing supporting roles on stages throughout Europe and South America.
While in Sicily, Altobello enlists the services of an assassin, Mosca, who conspires to kill Michael at the Teatro Massimo opera house when his son Anthony is set to debut in Cavalleria Rusticana.
Barbieri can be seen and heard in the role of Madelon on a DVD of the opera "Andrea Chénier", which stars Plácido Domingo, issued by the Bel Canto Society; also as Giovanna in "Rigoletto" filmed by Jean-Pierre Ponnelle with Luciano Pavarotti, and again with Domingo as Mamma Lucia in Franco Zeffirelli's "Cavalleria rusticana".
Among the many roles she portrayed are Gilda in Rigoletto, Ophélie in Hamlet, Valentine in Les Huguenots, Violetta in La traviata, Desdemona in Otello, Mimì in La boheme, Santuzza in Cavalleria Rusticana, and the title roles in Manon, Manon Lescaut, Aida, and Carmen.
His repertoire for the stage included Enrico in Lucia di Lammermoor, Germont in La Traviata, Lescaut in Manon by Massenet, the Escamillo in Carmen, Marcello in Puccini's La Boheme, and Alfio in Cavalleria Rusticana.
His roles at the Opéra-Comique included; Figaro, Lescaut, Zurga, Frédéric, Ourrias, Dapertutto, Alfio, Marcello, Scarpia, et al., he took part there in the creation of Emmanuel Bondeville's Madame Bovary, on 1 June 1951.
He was also admired in a number of Italian operatic works, including Il trovatore, Aida, Cavalleria rusticana and Pagliacci.
As a member of the Opera Theatre (Minsk), in 1982, Polozov made his successful debut with the Bolshoi Theatre when he performed Alfredo opposite Margarita Voites and Turiddu in Mascagni's Cavalleria rusticana opposite Makvala Kasrashvili and Elena Obraztsova.
She announced her retirement from the stage in 1911 to teach singing, but re-emerged in 1916 to play the lead female part in a silent-film version of Cavalleria Rusticana that was directed by Ugo Falena.
She also sang Santuzza in ‘’Cavalleria rusticana’’ with Gigli as Turiddu at Rome.
He appeared with that company through 1938, in Aïda (with Elisabeth Rethberg), Cavalleria rusticana (with Rosa Ponselle), Carmen again (opposite Ponselle), Les contes d'Hoffmann (conducted by Maurice Abravanel and directed by Herbert Graf), Manon (with Bidu Sayão in her Met debut, later with Grace Moore), Faust, and Pagliacci (opposite Robert Weede in his Met debut).