<http://schema.org/headline>
"Nocturne No.1 in B-flat minor, Op.9-1 by Kazune Shimizu"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Kazune-Shimizu_Nocturne-No1-in-B-flat-minor-Op9-1/PJW5I>