Scores: Between 1950 and 1970:
John Cage, Music of Changes
Many examples display how Cage's music challenges conventional ideas of music. His series, Imaginary Landscapes, are early explorations of electronic music, incorporating variable-speed turntables and radio broadcasts as instruments. His composition Music of Changes is deeply rooted in eastern philosophy and uses the I Ching and operations of chance as a means of determining the composition.

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