<http://schema.org/headline>
"Toccata, Adagio und fugue C Major BWV 564: Toccata by Karol Golebiowski"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Karol-Golebiowski_Toccata-Adagio-und-fugue-C-Major-BWV-564-T/PLf4x>