A Probe Into The Expressive Force Of Beethoven’s Sonata Op.109

Piano Sonata No.30 Op.109 is a late piano work completed by Ludwig van Beethoven in 1818.The work has great tension in its own content,reflecting Beethoven’s strong individualistic s tyle and philosopher’s meticulous thought.In the hands of differ ent performers,it is also endowed with different "life" in perfo rmance expression.In order to more clearly explore the perfor mance expressiveness of the work,the author will start from th e perspective of a piano player,take the research in the chapte r "performance and strength of music performance" in Gao dawn’s theory of music performing art as the starting point,an alyze the "common expressiveness" of the work,and explore ba sed on this,including the author,the difference of "personality expressiveness" between different players.