The Magic Flute the Night, evidently needed little such help: this role is famous for its difficulty. In ensembles, Mozart skillfully combined voices of different ability levels. The vocal ranges of two of the original singers for whom Mozart tailored his music have posed challenges for many singers who have since recreated their roles. Both arias of the Queen of the Night, "O zittre nicht, mein lieber Sohn" and "Der Hölle Rache kocht in meinem Herzen" require high F, rare in opera. At the low end, the part of Sarastro, premiered by Franz Xaver Gerl, includes a conspicuous F in a few locations.
Libretto of The Magic Flute to sublime human aspiration – in short from the circus to the temple, but never neglecting an opportunity for effective theater along the way. The sources for the work fall into (at least) four categories: works of literature, earlier productions of Schikaneder's theater company, Freemasonry, and the 18th-century tradition of popular theater in Vienna. The Schikaneder troupe prior to the premiere of "The Magic Flute" had developed considerable experience with performing fairy tale operas with similar plots, characters, and singers. Two bear a particularly strong relationship to "The Magic Flute": A very long tradition asserts that Freemasonry plays a major