{"id":"S89003987","label":"Performance practice (Music)--History--19th century","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89003987","normalized_label":"performance practice (music)--history--19th century","broader":[],"aliases":["Performance practice (Music)--19th century"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89003987","provider":"lcsh","revision":"37b7fe5177ed0a87","taxonomy_revision":"f050b5d4780b1289","title":"Performance practice (Music)--History--19th century","url":"/topics/S89003987","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"595820953112823366","address_version":"morton4x16-v1","coordinates":[0,21,14431,19456],"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}