<http://schema.org/headline>
"Mazurka No.7 in F minor Op.7 No.3 by Vladimir Ashkenazy"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Vladimir-Ashkenazy_Mazurka-No7-in-F-minor-Op7-No3/Q5iMv>