
From a letter now regarded as a forgery by Johann Friedrich Rochlitz http://www.aproposmozart.com/Stafford%20--%20Mozart%20and%20genius.rev.ref.pdf, http://www.mozartforum.com/Lore/article.php?id=108, http://www.mozartforum.com/Lore/article.php?id=106
Misattributed