Unity Of Opposite Elements In Beethoven's Piano Works

As the artwork of the turning point of age,Beethoven's work is the gathering of times spirit and art essence.Beethoven's being the artist that nobody can surpass relates to his destiny,energetic mission and time breath.As learner of the Enlightenment,enthusiast of Sturm und Drang,explorer of romanticism,digger of ancient arts,Beethoven converged the art essence of before and after age;As leader of his own destiny,resister of feudal power,yearning man of free life,he connected his music works and epoch topic closely.There is old types,contemporary era structure,new colors in his works,and also hero's indignation,lyric mind,exaggerated drama,and they're all arranged in one form-unity of opposites.Beethoven's late piano works,are no other than the peak form of this arrangement.He aggregate all the notes from the piano;aggregate sonata,fugue,variations and other genres to one piece of work;express his all contradiction from life and sign with emotion in his huge and methodic works,which contain perfect logic,obvious dramatic conflict,high feeling of conformity and steady clue,as to be the period collection that no things can ever been before or since.<Sonata in B flat major>(Op.106)was composed for a new hammerklavier piano-English Broadwood piano of the day,a great attempt to exploit the piano genre of Beethoven.New-style-piano brought stronger expressive force to piano works through bright tone,broad range,well-bedded zones and controllable key-touching;the same as <Sonata in B flat major>(Op.106)'s complete coverage of musical form,tonality,harmony,texture,playing method,which makes it a classical work involving multiple unity of opposites.The paper will first analyze the background reasons of Beethoven's being a great composer through times culture,times spirits and personal encounter,then come to composer's works,analyze how the music elements: structure,harmony,mode and tonality,types and technique of expression set opposite and been unity.Last,we explain in detail in a most representative piano work-<Sonata>Op.106,how these unity of opposites elements exist and express in Beethoven's piano sonata,and analyze how to demonstrate the opposite dramatic conflicts sufficiently and the way they unify.