Harmony, Modulation And Structural Characteristics Of Debussy Piano Works "Imagery Collection"

Music in the 20 th century can be said to have entered a diversified development of modern music stage, various new thoughts and new techniques exerts a subtle influence on the composers in this period. They broke the traditional concept of harmony and tonality, harmony no longer pay attention to its functional, layout of key is no longer a traditional big minor instruments are also changing. In this process, impressionism style is between the 19 th century romanticism and important stage of development between modern music in the 20 th century. Debussy’s impressionism music is in a leader position in bear the brunt of the characters in the.Pursuit of impressionism is the color of the music, through the harmony, tonality, melody, rhythm and tone for the music to create a certain atmosphere. In harmony, the composer weakens the functionality of the chord, enhance its color, and use all kinds of different chord structure(e.g., large and small, chord and seventh chord, nine chords increase and decrease) and chord of the different positions(in situ and transposition) and arrangement method(dense array, open arrangement or different repetition), sometimes put chord at different tone make its produce different sound effects, also is the change of color. At the same time, through the mode tonality to add the color of the music, for example, a large number of using the diatonic, medieval mode and channel with Oriental color mode, etc. Through the above measures, make the impressionism music color is not black and white like classical music, romantic period, but with the new composition techniques and methods appear to be careful and subtle change, which is one of the main characteristics and the impressionism music style.In Debussy’s life of music creation, piano music occupy the important position, its content and the artistic creation with unique performance technique become the classic handed down from ancient times, the composer to perfection the impressionism music style. He composed of two pianos works "image collection" is one of the classic, as a result, in this article, through the analysis and study of these two works of Debussy, to understand Debussy, at the same time to feel the impressionism music, to explore the changes of music history.Impressionism music influence was profound, Debussy’s contribution is without a doubt, the history of the impressionist although short, but the system is a great impressionism music form, affect the junior creators cannot be ignored, it created the new elements for the music of the 20 th century.