In January 1787 Mozart comes to Prague for the performance of his opera "Il nozze di Figaro". There he gets the commission for Don Giovanni. He is again in Vienna by the middle of February.
On April 7th Beethoven comes to Vienna and gets tuition from Mozart. Beethoven returns to Bonn on April 20th, owing to his motherís illness.
On May 28th Mozartís father, Leopold, dies. On August 10th the score of the "Kleine Nachtmusik" is finished.
In October he travels again to Prague. In the night of October 28/29th
he writes down the overture to Don Giovanni, the last part of the opera which had a very successful first
night in Prague on October 29th. By the middle of November he is again in Vienna.