<http://schema.org/headline>
"Sonate Pour Violoncelle Et Piano, Prologue, Serenade, Finale by Maurice Mar\u00E9chal"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Maurice-Mar%C3%A9chal_Sonate-Pour-Violoncelle-Et-Piano-Prologue-S/OFp3K>