Mozart and His Music Mozart is perhaps the greatest musical genius who ever lived. Mozart 's full name is Wolfgang Amadeus Mozart. Most people called him Mozart or Wolfgang. Mozart was born in Salzburg, Austria, January 27, 1756. Mozart is the greatest musical child prodigy who ever lived. He began composing minuets at the age of 5 and symphonies at age 9. His father took him on a series of concert tours together with his sister, Maria Anna; born four and one-half years before Mozart. She too, was a child prodigy. Both played the keyboard, but Mozart became a violin virtuoso, as well. In 1762 he and his sister, "Nannerl," as she was nicknamed, performed be