Collage music explained in musical terms in the 20th century.

Using existing music materials in music creation is one of the oldest techniques in western music. In modern times, this technology has gradually appeared, and it has reached an unprecedented level in terms of time and space span, frequency of use and comparison between materials. At this time, composers did not just pursue the musical expression or symbolic meaning of the title, but used it to break the time-space boundary between musical form and musical cultural tradition and reinterpret the tradition through deconstruction and reorganization. German and zimmermann soldiers.