<http://schema.org/headline>
"Carmen: Sur la Place, Chacun Passe by Grace Bumbry, Joh Vickers &amp;amp; Herbert von Karajan"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Grace-Bumbry-Joh-Vickers-%26-Herbert-von-Karajan_Carmen-Sur-la/Q54mz>