<?xml version='1.0' encoding='utf-8'?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-17T18:34:22Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go738452">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go738452</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T11:31:05Z</datestamp></header><metadata> <oai_dc:dc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:identifier>https://www.bilketa.eus/ark:/27020/go738452</dc:identifier><dc:creator>Ansorena, Isidro (....-....)</dc:creator><dc:source>MUBA, P 5021</dc:source><dc:date>s.d</dc:date><dc:type xml:lang="eng">text</dc:type><dc:type xml:lang="fre">monographie imprimée</dc:type><dc:type xml:lang="eng">printed monograph</dc:type><dc:format>73 p. ; 24 x 17 cm</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go738452&amp;mat=book</dc:relation><dc:language>spa</dc:language><dc:publisher>Ordorica (Bilbao)</dc:publisher><dc:subject>Partitions</dc:subject><dc:subject>Musique basque</dc:subject><dc:subject>Euskal musika</dc:subject><dc:subject>Txistu</dc:subject><dc:title>Txistu ots gozoa, nola... ? : pequeño estudio para la fabricacion de txistus, silbotes, txirulas. Metodos que pueden usarse para facilitar la ejecucion en los mismos. Lenengo ikastaldia =primer curso</dc:title><dc:title>Como obtener sonido dulce del txistu... ?</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>