Left to right: Italian baritone Ettore Bastianini (1922 - 1967), American soprano Maria Callas (1923 - 1977) and conductor Antonino Votto take their curtain-call after a performance of Donizetti's 'Poliuto' at La Scala, Milan, 7th December 1960. (Photo by Keystone/Hulton Archive/Getty Images)
