二十世纪西方音乐的变革与发展

20世纪的西方音乐呈现出多元异彩的发展趋势，每一种流派都有其独到的创作理念，都有其推动音乐历史发展进步的一面，都有一个总的趋势——不断的探索与求新。本文对20世纪音乐发展不同阶段形成的不同创作风格和流派进行分析，探索这一个世纪音乐发展的规律与方向。

The Change and Development of western music in twentieth centurry

Great diversity can be tbund in the development of western music in the twentieth century. Each music school exhibits its unique idea of creation and contributes to the development of the music. All of them follow the general trend probing for new ideas continuously. The thesis analyzes the creation styles of different music schools in different periods of the twentieth century, and thus explores the law and direction of the development in this century.