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{"value"=>"3679355", "type"=>"local_mss"}
{"value"=>"54", "type"=>"local_mss_er"}
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{"value"=>"1980 February 1", "type"=>"inclusive", "normal"=>"1980-02-01"}
- unittitle
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{"value"=>"James Levine and Isaac Stern"}
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{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"2 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"96.0 megabytes", "unit"=>"megabytes"}]}
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{"value"=>"<p>New York Philharmonic conductor James Levine and American violinist Isaac Stern at rehearsal.</p>"}
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1980-02-01
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1980-02-01
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1980-02-01
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1980
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1980
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96.0 megabytes (2 computer files)