Next week will be 40 years since Callas died.
Her bosom friend Giovanna Lomazzi has been sharing memories on Italian TV.
He always said that I was her little sister. She needed to create bonds because they were missing in her family. Her father lived in America and she never saw him, and her relations with her mother and sister were terrible. Her mother never came to one of her performances, and concentrated on the other sister who had no particular talent.
More here on Gramilano.