Study On The Harmonic Thinking And Technique Of Debussy’s Piano Prelude

Debussy（1862-1918）,a famous French composer at the end of 19^thcentury and the beginning of 20^thcentury,was often regarded as a representative of Impressionist music for inheriting the tradition of late romantic music and national music in the 19^thcentury,breaking the system centered on major and minor keys in classical music and creating the Impressionist style dominated by colorful harmony with a soft dynamics,which influenced and promoted the development of Western harmony thinking and techniques at the end of 19^thcentury and the beginning of 20^thcentury.Piano music plays an important role in Debussy’s composition.Compared with his other piano works,most of his preludes were short and the ideas were more concentrated and single.The Book I of Preludes was published in 1910,and the themes were mainly derived from what he saw and heard,which were various;The Book II was published in 1913,which was different from the Book I in style,and the playing skills were more difficult.Through the analysis and research of Debussy’s preludes,the author has a comprehensive understanding of the overall characteristics of his Impressionist harmony and a further understanding of the development of Western harmonic thinking and techniques at the end of 19^thcentury and the beginning of 20^thcentury.