@prefix hornbostelandsachs: <http://www.mimo-db.eu/HornbostelAndSachs/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix instrumentskeywords: <http://www.mimo-db.eu/InstrumentsKeywords/> .

hornbostelandsachs:240
  skos:notation "412.21" ;
  skos:definition "The air itself is the vibrator in the primary sense. The vibrating air is not confined by the instrument. The interruptive agent is not a reed. The interruptive agent rotates in its own plane. Sirens, whirring disc."@en ;
  skos:prefLabel "Rotating aerophones"@en ;
  skos:inScheme <http://www.mimo-db.eu/HornbostelAndSachs#> ;
  skos:exactMatch instrumentskeywords:5695, instrumentskeywords:5648, instrumentskeywords:10018 ;
  skos:broader hornbostelandsachs:239 ;
  a skos:Concept .

hornbostelandsachs:239
  skos:notation "412.2" ;
  skos:prefLabel "Non-idiophonic interruptive instruments"@en ;
  a skos:Concept ;
  skos:narrower hornbostelandsachs:240 .

<http://www.mimo-db.eu/HornbostelAndSachs#>
  skos:prefLabel "Hornbostel - Sachs"@en ;
  a skos:ConceptScheme .