<https://blog.desdelinux.net/musique-un-reproductor-moderno-y-bonito-pero/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.desdelinux.net/lb/Musek-e-modernen-a-sch%C3%A9ine-Spiller-awer/>