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mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_ca">[artefactes sonors per funció]</topic></authority><related type="narrower"><topic>instrument de música</topic></related><related type="narrower"><topic>cartutx de fogueig</topic></related><related type="narrower"><topic>artefacte sonor de senyalització</topic></related><related type="narrower"><topic>matraca </topic></related><related type="narrower"><topic>artefacte d&apos;afinació</topic></related><related type="narrower"><topic>productor de sons ambientals</topic></related><related type="narrower"><topic>altaveu</topic></related><related type="narrower"><topic>optòfon</topic></related><related type="narrower"><topic>metrònom</topic></related><related type="narrower"><topic>dispositiu de so cerimonial</topic></related><related type="narrower"><topic>reclam</topic></related><related type="broader"><topic>artefacte sonor </topic></related></mads>