| This article mainly takes the schubert piano sonata D 845 as an example,and makes an in-depth analysis of its music text.At the same time,combining with the relevant art songs,using the relevant theoretical basis of music works and the theoretical framework to make a logical study and interpretation of its spiritual connotation,further enrich and deepen the understanding of schubert and his instrumental works.The piano sonata D 845 is a large instrumental music composed of four movements.Is one of schubert’s masterpieces in the medium term.It connects the early and late stage of schubert’s creation,and has the important position of inheriting and developing.This work focuses on the distinctive features of schubert music’s works.Intensive tension,suppress panic motivation elaborate,loose beautiful singing,undulating melody flows,color harmony as well as the relationships among the three degrees of tonal transformation,with unique artistic techniques such as opposed the creeping extension and so on,has heralded the schubert created the arrival of the peak,and is the romantic style of labels,has affected the later creation of romantic composers.This paper adopts the progressive and progressive progressive mode,and mainly adopts the following three aspects to interpret the D845 of the piano sonata in schubert:First music text analysis,including the structure of each movement,subject,material,harmony,tonality,and texture of music elements such as in-depth analysis,thus preliminary abstract works out the macroscopic emotional expression.Secondly,try to find out the theme motivation of the sonata in schubert’s art songs,To clarify the relationship between the motive and the motivation of the sonata in art songs,On this basis,the author further analyzes the development of similar theme motivation in art songs and interprets its specific spiritual connotation with artistic songs as "media".That is,the two main lines of the creation of schubert music--the suppression of doom and gloom and the warm singing of the good.Finally,it combines schubert’s specific social and historical context and personal situation.To analyze the two main lines in a profound way,and deep in its spiritual connotation,the extension of the schubert piano sonata is the present practical significance. |