Mozart began playing violin and harpsichord at the age of 6 years, 8 years old composer's first symphony at the age of 11 years, composers oratorio (Oratorio) and 12-year-old composer's operas. The musical genius of Mozart, known widely in Europe as a musician and composer. Mozart's father traveled with musical performances and contributions to the public in countries such as Austria, Hungary, England, Holland and Italy Figure 2.12 shows the city of Mozart concerts and travel to work. The Mozart also performed musical works in the presence of kings him as the Prince of Bavaria (the Elector of Bavaria) and God, Joseph 3 (Joseph 3) at Munich, she. Maria Teresa (Emperor Maria Theresa) in Vienna, God Luiz at 15 (Louis XV) at the Palace of Versailles. And Lord George 3 (George 3) of London and many peerage. During the trip concerts. Mozart had the opportunity to study and practice of music of different countries. Finally, there are various forms of itself.