Wolfgang Amadeus Mozart and the Catholic Church minor (K. 427), written for the Salzburg visit of 1783, the motet "Ave verum corpus" (K. 618), written in Baden in 1791, and the Requiem mass (K. 626), left incomplete at Mozart's death. Research on paper types by Alan Tyson suggests that a number of works long thought to be Salzburg material actually may date from Mozart's late Vienna years. As Tyson notes, this would make sense since Mozart was at the time engaged in a (successful) campaign to be appointed as the designated successor to Leopold Hofmann in the Kapellmeister position at St. Stephen's Cathedral. Wolfgang Amadeus Mozart and
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