From Tonality To Pantonality And To Polytonality

Piano prelude Op.11、Op.48 and Op.74 were respectively written by Skriabin in 1888, 1905 and 1914---- early stage,transition stage of late stage,and late stage. What dominant chord do these works have, and what are the relationships among them ? What is the relationship between dominant chord and mystic chord ? What is the feature of progression of root? How is the thinking of harmony in the works ? This paper is based on Schoenberg’s Harmony system、Hindemith’s composing thechniques and Pitch—Class set theory. The results is that, the struture of dominant chord in these works goes forward gradually and has a certain relationship with Mystic chord. The middle-late early roots to guide the trend of pantonality. The thinking of harmony in early stage is showed by Modes and Tonality,in middle stage by Harmony and Tonality, and in late stage mainly by Tonality.