About: http://webisa.webdatacommons.org/137027079

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In 1952, for example, he sang Don Fernando (in Fidelio) and Count Des Grieux (in Massenet???s Manon), both conducted by Vittorio Gui and of considerable interest even though they are sung in Italian.
http://www.w3.org/ns/prov#wasQuotedFrom	musicweb-international.com