21 January 1964 After an absence of several years, Callas makes a triumphant return to the stage at the Royal Opera House, Covent Garden, in a memorable new production of Tosca directed by Franco Zeffirelli that is highly praised on all counts. She gives six performances. 🔊 Listen to the recording here: https://wnrcl.me/tosca 👉 Discover more on: www.maria-callas.com 🇫🇷 21 janvier 1964 Après plusieurs années d'absence, Callas fait un triomphal retour sur scène au Royal Opera House, Covent Gar