- unitid
-
{"value"=>"*LJ-12 4940", "type"=>"local_call"}
{"value"=>"915125", "type"=>"local_mss"}
- unitdate
-
{"value"=>"April 4, 1937", "type"=>"inclusive", "normal"=>"1937-04-04"}
- unittitle
-
{"value"=>"Radio City Music Hall on the air (Radio program)"}
- physdesc
-
{"format"=>"simple", "value"=>"1 sound disc, aluminum-based ; 12 in."}
- note
-
{"value"=>"Jan Peerce, tenor. Access restricted. Advanced notification required for use."}
{"value"=>"Contents: Der Ring des Nibelungen. Siegfried. Selections / Richard Wagner."}
- date_start
-
1937-04-04
- keydate
-
1937-04-04
- date_end
-
1937-04-04
- date_inclusive_start
-
1937
- date_inclusive_end
-
1937