Ludwig van Beethoven (1770.12.16-1827.03.26), male, German composer, pianist and conductor. One of the representatives of Vienna Classical Music School. He has composed 9 numbered symphonies, 35 piano sonatas (including the last 32 numbered sonatas), 65,438+00 violin sonatas, 65,438+06 string quartets, 65,438+0 operas, 2 mass, 65,438+0 oratorios and 3 oratorios, as well as a large number of chamber music and. These works have a far-reaching influence on the development of music, so they are respected as musicians.