Waltz in Eb major Opus 18 Frederic Chopin Download 'Waltz in Eb major Opus 18' on iTunes
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Maria Callas: 15 facts about the great soprano
After several student appearances, Callas began appearing in secondary roles at the Greek National Opera. She made her professional debut in February 1941. Her first leading role a year later was as Tosca. Following her early performances, even her detractors began to refer to her as "The God-Given".