- unitid
-
{"value"=>"3553949", "type"=>"local_mss"}
{"value"=>"436881", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1993 October 23", "type"=>"inclusive", "normal"=>"1993-10-23"}
- unittitle
-
{"value"=>"<span class=\"title\">Concerto for Two Violins and Orchestra</span>"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>Possibly a rehearsal.</p>"}
- date_start
-
1993-10-23
- keydate
-
1993-10-23
- date_end
-
1993-10-23
- date_inclusive_start
-
1993
- date_inclusive_end
-
1993
- extent_statement
-
1 audio recording