<https://www.efmr.cat/blog/category/arxiu-sonor-programes/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.efmr.cat/blog/2023/05/20/les-viatgeres-del-temps-del-dissabte-20-de-maig-del-2023/>