sentences:  The friendship and mutual respect between the two divas represented a milestone in Cortez's career.For "Norma" and "Maria Stuarda", as well as for "Don Carlo" and "Il Trovatore", the Catalan soprano and the Romanian mezzo-soprano were scheduled together in Lisbon, Naples, Nice, Vienna, Cologne, Madrid and La Scala ("Norma", 1974) and at the Met ("Il Trovatore", 1973).In 1972, Viorica Cortez acceded to the Arena di Verona "hall of fame", interpreting Amneris opposite the Radames of Franco Corelli.