On the night of October 29, 1787, Mozart quickly entered to the stage of the Estates Theatre in Prague. He was so exciting. He stopped in the middle of the stage and greeted the audience. The crowd was even more excited. After all, they were going to listen for the first time to one of the most important works of this composer who had become a legend in his lifetime. Yes, maybe some of you might imagine, it was ''Don Giovanni.'' Estates Theatre ( Source: https://cdn-vsh.prague.eu/object/218/3.jpg ) At the premiere of such an important work, there were people who were even more excited than Mozart and those who came to listen to him: the orchestra members. Do you know why they were excited? Because they never rehearsed. They were about to practice the art while it's already happening. Because Mozart, who just entered the stage with quick steps, had just finished writing the notes of the overture which the audience is currently about to listen to. The...