<http://schema.org/headline>
"Petrushka: Danse russe. Allegro giusto by Maurizio Pollini"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Maurizio-Pollini_Petrushka-Danse-russe-Allegro-giusto/QbG2y>