Maria Callas, who organized in the inauguration of the Teatro San Carlo in Naples in 1737, assuming the travesti title role in Sarro's Achille in Sciro, moved to Vienna the following year, where she debuted in the title role in Gluck's Semiramide riconosciuta, set to a libretto by Metastasio, on the occasione of the inauguration of the new Burgtheater.
Maria Callas, who organized in the inauguration of the Teatro San Carlo in Naples in 1737, assuming the travesti title role in Sarro's Achille in Sciro, moved to Vienna the following year, where she debuted in the title role in Gluck's Semiramide riconosciuta, set to a libretto by Metastasio, on the occasione of the inauguration of the new Burgtheater.