- unitid
-
{"value"=>"3258570", "type"=>"local_mss"}
{"value"=>"225125", "type"=>"local_mss_av"}
{"value"=>"194", "type"=>"local_call"}
- unitdate
-
{"value"=>"1963 August 27", "type"=>"inclusive", "normal"=>"1963-08-27"}
- unittitle
-
{"value"=>"<span class=\"title\">Action Music for Piano</span>"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>Performed at New York Avant-Garde I.</p>"}
- date_start
-
1963-08-27
- keydate
-
1963-08-27
- date_end
-
1963-08-27
- date_inclusive_start
-
1963
- date_inclusive_end
-
1963