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<url><loc>https://bustodelavega.com/2026/09/27/notker-balbulus-un-innovador-musical-del-siglo-ix/</loc><news:news><news:publication><news:name>FERNANDO BUSTO DE LA VEGA BLOG</news:name><news:language>es</news:language></news:publication><news:publication_date>2026-09-27T11:42:58+00:00</news:publication_date><news:title>NOTKER BALBULUS, UN INNOVADOR MUSICAL DEL SIGLO IX</news:title><news:keywords>literatura, cultura, poesía, música, Saint Gall, Notker Balbulus, gregoriano, canto llano, sesgo del algoritmo, abadía de San Galo</news:keywords></news:news></url></urlset>
