Wolfgang Amadeus Mozart is often considered the greatest musical genius to have ever lived. With over 800 works including operas, symphonies, and concertos, he defined the classical period and inspired later composers including Beethoven and Tchaikovsky. His music continues to be performed all over the world to this day. Mozart’s final work was commissioned by Count Franz von Walsegg of Schloss Stuppach in Salzburg, present-day Austria. This historic castle, one of the few in lower...