The Magic Flute (1975 film) children, who are silent. Evidon suggests that the characters of Frid and Petra in Bergman's 1955 film "Smiles of a Summer Night", and Johan and Alma in his "Hour of the Wolf" (1968) pre-figure his conception of Papageno and Papagena, and Tamino and Pamina respectively in "The Magic Flute". The latter film includes a puppet-theatre sequence of part of Act 1 of the opera. Evidon also sees a parallel between Bergman's treatment of Sarastro and Amfortas in "Parsifal". In producing the opera, Bergman sought to fulfill his early dream (see above) of a production in the Drottningholm Palace Theatre (one
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