"postrock" meaning in English

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  "etymology_text": "From post- + rock.",
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  "lang_code": "en",
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          "ref": "1988 August 19, David Whiteis, “The blues and Moore”, in Chicago Reader:",
          "text": "His playing on a song like this evokes the Delta tradition even as it burns and screams its testimony to the postrock necessities of 80s blues.",
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  "word": "postrock"
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  "etymology_text": "From post- + rock.",
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  "lang_code": "en",
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        }
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