String Quartet No. 14 (Mozart) back to Michael Haydn's Symphony No. 23 in which the finale is also a fugato based on a theme of four whole notes, which Mozart copied out the first few bars of and was mistakenly entered into Köchel's original catalog as K. 291. String Quartet No. 14 (Mozart) The String Quartet No. 14 in G major, K. 387, nicknamed the "Spring" quartet, was composed by Wolfgang Amadeus Mozart in 1782 while in Vienna. In the composer's inscription on the title page of the autograph score is stated: ""li 31 di decembre 1782 in vienna"". The work was perhaps edited in
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