Wolfgang Amadeus Mozart was born on January 27, 1756 and died on December 5, 1791. We know him because of the great music he has written, such as A Little Night. He was intrigued by music at age 17, but grew restless and searched of a better position. He then went to Vienna, where in his last years there, he performed the best concerts,symphonies, and operas. His piece, Requiem, was unfinished due to his death, caused by renal failure.