- unitid
-
{"value"=>"1135728", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1923 November 22", "type"=>"inclusive", "normal"=>"1923-11-22"}
- date_inclusive_start
-
1923
- date_inclusive_end
-
1923
- keydate
-
1923-11-22
- date_start
-
1923-11-22
- date_end
-
1923-11-22
- unittitle
-
{"value"=>"Program: Concert of the Works of the \"Avant Garde\" performed by Marya Freund, Darius Milhaud, Jean Wiener, Louis Fleury. Presented by the Contemporary Music Centre of the British Music Society Aeolian Hall, London"}
- container
-
{"type"=>"box", "value"=>"2"}
{"type"=>"folder", "value"=>"38"}