The Magic Flute (1975 film) "Libretto of the Magic Flute". In 1968, the Swedish poet Alf Henrikson prepared a Swedish-language version of the libretto for the purpose of a performance by the Royal Swedish Opera, which Bergman adopted as the basis of his script. However, Bergman altered the libretto in a number of respects: Sarastro is Pamina's father, trios in Act 2 are omitted, and "Ein Mädchen oder Weibchen" is sung by Papageno just before he sees Papagena. Instead of his usual costume of plumage, Papageno wears conventional clothing. The roles of the Three Slaves, originally spoken roles assigned to adult actors, are given to
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