Beethoven spent his childhood under his father's harsh education, which created his stubborn, sensitive and excited character. At the age of 22, he began to settle in Vienna all his life. The Third Symphony, composed between 1803 and 1804, marked the maturity of his creation. In the following 20 years, a large number of his musical works pushed classical music to its peak through strong artistic appeal and grandeur, and heralded the arrival of romantic music in the 19th century. In March 1825, the creation of the "solemn mass". On March 26, 1827, Beethoven died in Vienna at the age of 57.Beethoven wrote a wide range of subjects throughout his life. His important works include 9 symphonies, 1 opera, 32 piano sonatas, 5 piano concertos, multiple orchestral overtures, and violin and cello sonatas. Because of his great contribution to classical music, the development and innovation of sonata and symphony suite structure, he was called "Le Sheng" and "King of Symphony" by later generations ".