 
    Earle Brown
Earle Brown, was an American composer.  Among his many innovations, he near-singlehandedly re-invigorated classical music with improvisation by establishing his own formal and notational systems.
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-  "Cage's Music of Changes was a further indication that the arts in general were beginning to consciously deal with the "given" material and, to varying degrees, liberating them from the inherited, functional concepts of control."
- quoted in Classic Essays on Twentieth-Century Music, ISBN 0028645812
 
