{"id":"S85110892","label":"Railroad sounds","description":"Here are entered works on the ambient sounds produced by trains in operation. Works on vocal or instrumental music about trains and railroads are entered under [Railroads--Songs and music.] Works on short melodies or sequences of tones that announce the arrival or departure of trains from train stations are entered under [Train melodies.]","source_url":"https://id.loc.gov/authorities/subjects/sh85110892","normalized_label":"railroad sounds","broader":["http://id.loc.gov/authorities/subjects/sh85125411"],"aliases":["Railroad trains--Sounds","Railroads--Sounds","Railway sounds","Train sounds"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110892","provider":"lcsh","revision":"aff8e78dbd21251e","taxonomy_revision":"f050b5d4780b1289","title":"Railroad sounds","url":"/topics/S85110892","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549953654602203652","address_version":"morton4x16-v1","coordinates":[0,20,19137,45056],"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}