An Analysis Of "Mysterious Chord" In Five Piano Sonatas Of Late Scriabin

"Mysterious chord" is the core element of pitch structure in Scriabin's late music creation,which embodies the various explorations and attempts made by composers in the process of exploring pitch organization after breaking away from the limitation of classical major and minor tones in the historical period when harmony thinking and techniques took a significant turn at the end of the 19 th century and the beginning of the20 th century.This paper takes five Piano Sonatas in the late period as an example to explore the development and innovation features of Scriabin's harmonic language in the late period by analyzing the structural characteristics,structural forms and overall layout of "mysterious chord".