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Historical anti-retinal trends led to concerns with meaning, to an audience's battles with "getting it." Many things were written, both for and against. But eventually getting it was the prize, was the humor, conceptual art distilled to its simplest form, comedy. The set-up, delivery and a vast emptiness. But these begin toying with something different. Almost nothing to get, attempts at non-meaning, attempts on its life. Anti-thought art. A head "kept clear" with the sound of one hand clapping, masturbation pleasure.