Opera question: how difficult is the iconic Queen of the Night aria?

[kenobi_65]

And, from this article on the Royal Opera House’s site, on “10 of opera’s greatest soprano roles”:

Mozart wrote the role of the Queen in The Magic Flute for his sister-in-law Josepha Hofer, who was famous for her outstanding vocal technique and high notes. The Queen of the Night’s two dramatic arias are accordingly packed with fiendish coloratura, taking the soprano voice to amazing heights, particularly in the Act II aria ‘Der Hölle Rache’.