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.
Dionysos (opera) late work, which he fragmented and arranged in a different order. He chose the passages according to his plans for the music. Rihm said in an interview that opera needed more Magic Flute, "Mehr Machwerk." (More action.), citing the opening scene with three ladies coming to the rescue of the prince attacked by a snake. Rihm said that opera finds its potential in situations that are not ordinary ("... findet ihre Möglichkeiten in Situationen, die nicht alltäglich sind"). The opera has autobiographical traits and is in a way his first comic opera. Rihm dedicated the work "in friendship" to the