在20世纪这个新的音乐思潮竞相涌现的年代里,偶然性音乐占据了一个重要地位,它摆脱了序列式的完全控制走向了更大的自由,然而就在这自由中,它形成了一系列的偶然创作原则,这些原则生动地体现在了对偶然音乐有着浓厚兴趣的作曲家作品中。约翰·凯奇(John Cage 1912～)便是一位对偶然音乐做出过别出心裁创作的人,他出生于洛杉矶,被称作是偶然音乐的鼻祖。在他的作品中,偶然音乐的原则得到了多层次的显现。如作品《幻想景色》中,它用12架收音机由12位“演奏者”用秒表计算时间,并把12架收音机调到了12个不同的电台频道上播放。在约翰·凯奇的指挥下,演奏者打开或关闭收音机,调整音 In the midst of the ebb and flow of this new musical trend of the twentieth century, accidental music took an important position, freeing itself from full control of sequence to greater freedom, yet in this freedom it formed a series of Incidental creation principle, these principles vividly reflected in the composer with a strong interest in incidental music works. John Cage (1912 ~) was one of the most inventive and creative genres of casual music. Born in Los Angeles, he was described as the originator of casual music. In his works, the principle of accidental music is multilayered. For example, in his fantasy landscape, it uses 12 radios to count the time with 12 “performers” using a stopwatch, and 12 radios are tuned to 12 different radio channels. Under the leadership of John Cage, the player turns the radio on or off and adjusts the sound