Symphony No. 4 (Mozart) Symphony No. 4 (Mozart) The Symphony No. 4 in D major, K. 19, by Wolfgang Amadeus Mozart was composed in London during the Mozart family's Grand Tour of Europe in 1765, when Mozart was 9 years old. Even though the original of Mozart's manuscript has not survived, the set of parts written in the hand of his father, Leopold Mozart, is preserved in the Bavarian State Library in Munich. It is known today that the early symphonies by young Mozart were performed at the public concerts in the Little Haymarket Theatre in London. It is therefore possible that these parts
Wolfgang Amadeus Mozart and his family had moved from central Vienna to the suburb of Alsergrund. Although it has been suggested that Mozart's aim was to reduce his rental expenses, research shows that by moving to the suburb, Mozart had not in fact reduced his expenses (as claimed in his letter to Puchberg), but merely increased the housing space at his disposal. Mozart began to borrow money, most often from his friend and fellow Mason Michael Puchberg; "a pitiful sequence of letters pleading for loans" survives. Maynard Solomon and others have suggested that Mozart was suffering from depression, and it seems that his