Mozart is considered one of the greatest composers of European classical music, having written an astonishing number of works in almost every musical genre during his short life. A child prodigy, he began composing music by the age of five and was touring and performing before royalty within a year. He later settled in Vienna, where he reached the height of his success. At the age of 35, he succumbed to an unknown illness that remains a source of speculation. What are some of the theories? Discuss