- unitid
-
{"value"=>"*LJ-16 7890", "type"=>"local_call"}
{"value"=>"*LJ-16 7891", "type"=>"local_call"}
{"value"=>"911437", "type"=>"local_mss"}
- unitdate
-
{"value"=>"March 20, 1957", "type"=>"inclusive", "normal"=>"1957-03-20"}
- unittitle
-
{"value"=>"Concertos, piano, orchestra, K. 414, A major / Wolfgang Amadeus Mozart"}
- physdesc
-
{"format"=>"simple", "value"=>"2 sound discs : analog, aluminum-based acetate, mono. ; 16 in."}
- note
-
{"value"=>"Guest soloist: Joel Thiollier. Hugo Fiorato, conductor. Access restricted. Advanced notification required for use."}
- date_start
-
1957-03-20
- keydate
-
1957-03-20
- date_end
-
1957-03-20
- date_inclusive_start
-
1957
- date_inclusive_end
-
1957