Der Hölle Rache kocht in meinem Herzen Der Hölle Rache kocht in meinem Herzen "" ("Hell's vengeance boils in my heart"), commonly abbreviated "", is an aria sung by the Queen of the Night, a coloratura soprano part, in the second act of Mozart's opera "The Magic Flute" (""). It depicts a fit of vengeful rage in which the Queen of the Night places a knife into the hand of her daughter Pamina and exhorts her to assassinate Sarastro, the Queen's rival, else she will disown and curse Pamina. "Der Hölle Rache" is one of the most famous of all opera arias, memorable, fast paced and menacingly
Piano concertos by Wolfgang Amadeus Mozart it was probably J.C. Bach, whom Mozart admired, who introduced the structural innovation of allowing the keyboard to introduce new thematic material in its first entry. Concertos Nos 1–4 (K. 37, 39, 40 and 41) are orchestral and keyboard arrangements of sonata movements by other composers. The next three concertos (K. 107/1, 2 and 3), which are not numbered, are arrangements of piano sonatas by J.C. Bach (Op 5. Nos. 2, 3, and 4, all composed by 1766). Based on handwriting analysis of the autographs they are believed to date from 1771–72. Concerto No. 5, K. 175 from 1773 was