Wolfgang Amadeus Mozart was an Austrian composer and music teacher. He wrote more than 600 musical works; all of them were very high quality. He learned to play the violin and the organ while touring with his dad. At the age of 8 he published his first two sonatas, and at the age of 13 he composed his first opera. In his mid-twientes he was persuaded as one of the best keyboard players in Vienna. His well-known pieces of music are called "A Little Night Music" and " Ah vous dirais-je, Maman". He died On 5th December 1791 at the age of 35.