| This paper takes the two Orchestral Works "Xuanmeng" and "Yuanmeng" by Gao Weijie,a famous contemporary Chinese composer,as the research object.Taking the analysis of micro elements in the works as the breakthrough point,this paper observes the organization mode and structure construction principle of pitch materials and rhythm materials in the two works,aiming to explore the music creation thinking,technical form and the overall organization mode of the two works.Xuanmeng and Yuanmeng,as the important creative practice achievements of "twelve tone positioning chord" in the three pitch systems of Gao Weijie’s creative techniques,both use the pitch system as a deep-seated pitch material for his works.Therefore,the first chapter of this paper studies the pitch organization of the work.This paper mainly expounds the formation background of the pitch system of "twelve tone positioning chord",the presentation mode of chords,and the structural characteristics.After that,the pitch core materials of the two works are extracted,revealing the procedural development of the core materials and the construction of the theme.At the same time,it analyzes the specific application of "twelve tone positioning chord" in the two works.The second chapter discusses the rhythm organization of the work,and deeply discusses the basic form of rhythm control,as well as its diversified processing methods and organizational characteristics.The third chapter interprets the organization of the local or overall structure of the work from different angles. |