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	mads.xsd"><authority><topic authority="http://www.musigrafia.org/tesauro/es/">3 Cordófonos</topic></authority><related type="narrower"><topic>S.H.-31 1.121.221</topic></related><related type="narrower"><topic>S.H.-311.121</topic></related><related type="narrower"><topic>S.H.-311.121.21</topic></related><related type="narrower"><topic>S.H.-321.321-6</topic></related><related type="narrower"><topic>S.H.-321.322-5</topic></related><related type="narrower"><topic>S.H.-321.322-7</topic></related><related type="narrower"><topic>S.H.-321.322-71</topic></related><related type="narrower"><topic>S.H.-322.21</topic></related><related type="broader"><topic>Clasificación S.H.</topic></related> <note xml:lang="es"><![CDATA[ <p>El sonido es producido por la vibración de cuerdas en tensión por pulsión o frotación.</p> ]]></note></mads>