- unitid
-
{"value"=>"3597088", "type"=>"local_mss"}
{"value"=>"621783", "type"=>"local_mss_av"}
{"value"=>"*LT-7-A 389", "type"=>"local_call"}
- unitdate
-
{"value"=>"1975 June", "type"=>"inclusive", "normal"=>"1975-06"}
- unittitle
-
{"value"=>"Electronic Music Produced at Bell Telephone Labs, Murray Hill, New Jersey"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>Max Mathews, performer.</p> <ol class=\"list\"> <li> <span class=\"title\">Mar-ra-la-a</span> -- Joseph Olive</li> <li> <span class=\"title\">String Quartet in F major</span> (Third movement) -- Maurice Ravel</li></ol>"}
- date_start
-
1975-06
- keydate
-
1975-06
- date_end
-
1975-06
- date_inclusive_start
-
1975
- date_inclusive_end
-
1975
- extent_statement
-
1 audio recording