- unitid
-
{"value"=>"285685", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1971-1976", "type"=>"inclusive", "normal"=>"1971/1976"}
- unittitle
-
{"value"=>"<span class=\"title\">The Development and Practice of Electronic Music</span>"}
- scopecontent
-
{"value"=>"<p>The draft of Luening's chapter of this book, titled \"Origins.\"</p>"}
- container
-
{"type"=>"box", "value"=>"25"}
{"type"=>"folder", "value"=>"7"}
- date_start
-
1971
- keydate
-
1971
- date_end
-
1976
- date_inclusive_start
-
1971
- date_inclusive_end
-
1976