About: http://webisa.webdatacommons.org/191488751

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	Of course, there always are examples of singers who are successful singing outside their expected comfort zone, as when Placido Domingo sang the title role of Simon Boccanegra as a baritone.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com