Emanuel Schikaneder elements and traditional fairy-tale themes (see "Libretto of The Magic Flute"). Schikaneder took the role of Papageno—a character reflecting the Hanswurst tradition, and thus suited to his skills—at the premiere. According to the dramatist Ignaz Franz Castelli, Schikaneder also may have given advice to Mozart concerning the musical setting of his libretto: The late bass singer Sebastian Mayer told me that Mozart had originally written the duet where Papageno and Papagena first see each other quite differently from the way in which we now hear it. Both originally cried out "Papageno!", "Papagena!" a few times in amazement. But when Schikaneder
Mozart and smallpox both children's illness to contend with, the Mozarts spent a total of four months away from Vienna. They eventually returned there and were received in the Imperial court on 19 January, 1768. The Empress, who had by now lost three children to smallpox, conversed with Frau Mozart about the disease. The remainder of the trip was not especially successful. Leopold apparently misinterpreted a chance remark of the Emperor as a firm invitation for Wolfgang to compose an opera; this resulted in Wolfgang writing "La finta semplice". However, the opera went unperformed in Vienna; the singers and musicians did not like