Piano concertos by Wolfgang Amadeus Mozart later concertos, allowed him to create a variety of moods at will, from the comic operatic nature of the end of K. 453, through to the dream-like state of the famous "Elvira Madigan" Andante from K. 467, through to the majestic expansiveness of his Piano Concerto No. 25, K. 503. In particular, these major works of Mozart could hardly fail to be influenced by his own first love, i. e., opera, and the Mozart of "Figaro", "Don Giovanni" and "Die Zauberflöte" is found throughout them. Mozart clearly valued the concertos, some of which he guarded carefully. For example, No. 23
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