2. Beethoven
Beethoven or Ludwig van Beethoven is a German pianist, conductor and composer. His musical works covers classical period until the beginning of the Romanticism era and he left a legacy that delivered profound impacts for many later composers. After Wolfgang Amadeus Mozart, Joseph Haydn and Christoph Willibald Gluck; Beethoven is considered as a last important representative of Viennese classical style. His works includes 32 piano sonatas, 16 string quartets, 7 string trios, 10 sonatas for piano and violin, 5 piano concertos, and various lieders.