" In 1784, Mozart was also admitted to the Freemasons, and the guild became an important institution to him for the remainder of his life. Many in his social circle were also Masons, he regularly attended meetings at his local lodge, and even composed several pieces of Masonic music, the most famous being a funerary piece he composed on the occasion of the deaths of two close friends. "

― Hourly History , Mozart: A Life From Beginning to End