Maria Callas, la Diva: where and how a voice becomes central?

Ninety years ago the Flower Hospital staff in Manhattan heard the first waves of what to become one of the greatest voices ever recorded in our human history: Maria Callas, born Maria Cecilia Kalos (Kalogeropoulos) (1923-1977). Callas, plus her mythical voice, had great dramatic talents, and the convergence of both led her to be called La Diva, not a diva but the Diva. Her performance of Tosca (of Puccini) can be considered as an ultimate legendary achievement in history of opera. https://ww..