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"A network can be destroyed by noises that attack and transform it, if the codes in place are unable to normalize and repress them. Although the new order is not contained in the structure of the old, it is nonetheless not a product of chance. It is created by the substitution of new differences for the old differences. Noise is the source of these mutations in the structuring codes. For despite the death it contains, noise carries order within itself; it carries new information. This may seem strange. But noise does in fact create meaning: first, because the interruption of a message signifies the interdiction of the transmitted meaning, signifies censorship and rarity; and second, because the very absence of meaning in pure noise or in the meaningless repetition of a message, by unchanneling auditory sensations, frees the listener's imagination. The absence of meaning is in this case the presence of all meanings, absolute ambiguity, a construction outside meaning. The presence of noise makes sense, makes meaning. It makes possible the creation of a new order on another level or organization, of a new code in another network."
"(...) music is a credible metaphor of the real. It is neither an autonomous activity nor an automatic indicator of the economic infrastructure. It is a herald, for change is inscribed in noise faster than it transforms society. Undoubtedly, music is a play of mirrors in which every activity is reflected, defined, recorded, and distorted. If we look at one mirror, we see only an image of another. But at times a complex mirror game yields a vision that is rich, because unexpected and prophetic. At times it yields nothing but the swirl of the void."
** Jacques Attali's Noise: The Political Economy of Music
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Mise en musique du corticalart documents Pierre Henry's exploration of the sonic possibilities contained within the cerebral cortex.