自1950年以来,音乐创作大量出现一种对结构的激进处理。从传统上讲,西方音乐由开始、中间、结束部分组成,作品在一种趋向于确定的高潮点的方向中前进,最终创造了富有意义的形式,这是一种由作曲家精心创造的形式。与这些标准的作品形式相反的是,在本世纪后半叶作曲家发展了新曲式的技术,其持续的过程是非封闭性的设计。这些作品的形式和结构不仅取决于作曲家,而且也取决于演奏者,偶尔取决于听众。这种较为开放的程序有各种各样的表现形式。各种不同的随机操作可以掺合为创作的行为——滚骰 Since 1950, there has been a great deal of radical structural treatment in musical compositions. Traditionally, Western music consists of the beginning, the middle, and the end, and the work proceeds in the direction of a definite orgasm, culminating in a meaningful form, a carefully crafted form by the composer . Contrary to these standard forms of work, composers developed new forms of music technology in the second half of this century, and its ongoing process was a non-closed design. The form and structure of these works depend not only on the composer, but also on the performer, occasionally on the audience. This relatively open program has a variety of manifestations. A variety of different random operations can be blended into the creative behavior - rolling roll