Piano Concerto No. 25 (Mozart) Donald Tovey, Cuthbert Girdlestone, and Alfred Einstein as among the musicologists who uphold K. 503 as exemplary. Piano Concerto No. 25 (Mozart) The Piano Concerto No. 25 in C major, K. 503, was completed by Wolfgang Amadeus Mozart on December 4, 1786, alongside the Prague Symphony, K. 504. Although two more concertos (K. 537 and K. 595) would later follow, this work is the last of what are considered the twelve great piano concertos written in Vienna between 1784 and 1786. Chronologically the work is the 21st of Mozart's 23 original piano concertos. K. 503 is now widely recognized as
Wolfgang Amadeus Mozart and artist Joseph Lange. Mozart's interest shifted to the third Weber daughter, Constanze. The courtship did not go entirely smoothly; surviving correspondence indicates that Mozart and Constanze briefly separated in April 1782. Mozart faced a very difficult task in getting his father's permission for the marriage. The couple were finally married on 4 August 1782 in St. Stephen's Cathedral, the day before his father's consent arrived in the mail. The couple had six children, of whom only two survived infancy: In the course of 1782 and 1783, Mozart became intimately acquainted with the work of Johann Sebastian Bach and George