<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/MusicRecording>
<https://www.songpop2.com/content/song/London-Symphony-Orchestra-%26-Istv%C3%A1n-Kert%C3%A9sz_Symphony-No-9-in-/OmC2D>