On The Tonal Sonata Form In The Early 20^th Century

During the early twentieth-century, in the trend of gradually breaking up of founctional system of harmony.,Sonata form emphized confronting double themes and compared tonalities existed with particularly mode of expression and struction from Classical ear to now.The dissertation was reserached on "Piano Concerto" op.38 of Samuel Barber as an example systematically and comprehensively reserached and analyzed it mainly from the point of composition technique theory.and refined the variable features of sonata form paralleled with tradional modes in this historical stage.The dissertation was divided into three charpten:The first charper sorted out dometic research of Barber' works and expressed the reason to this work;Tidied out the theory of tonal sonata form in early twentieth-century from variable books and put forward the considering about it. And the third chapter is devoted to a rather comprehensive research and statement about the themes,the tonality of important section and the development in sonata form of the early twentieth-century. In doing so,tries to clearly summarized the variation of three best important music parameters of sonata forms in early twentieth-century.