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.
Orlando (opera) operas’ (Handel and the Opera Seria, p. 91), comparable on several counts with "The Magic Flute". The opera is scored for two recorders, two oboes, bassoon, two horns, strings and continuo (cello, lute, harpsichord). Orlando (opera) Orlando (HWV 31) is an opera seria in three acts by George Frideric Handel written for the King's Theatre in London in 1733. The Italian-language libretto was adapted from Carlo Sigismondo Capece's "L'Orlando" after Ludovico Ariosto's "Orlando Furioso", which was also the source of Handel's operas "Alcina" and "Ariodante". More an artistic than a popular success at its first performances, "Orlando" is today recognised