{"id":"S91000873","label":"Keyboard instrument music (4 hands)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91000873","normalized_label":"keyboard instrument music (4 hands)","broader":[],"aliases":["Keyboard duets","Keyboard instrument duets"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91000873","provider":"lcsh","revision":"fadc8974a15576df","taxonomy_revision":"f050b5d4780b1289","title":"Keyboard instrument music (4 hands)","url":"/topics/S91000873","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13890236221755621890","address_version":"morton4x16-v1","coordinates":[0,21,45632,41984],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}