About: http://webisa.webdatacommons.org/149379083

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	And the voice behind it could not be stronger: Martin Popoff is a heavy metal expert who has authored over 30 books on the subject, including Doom Let Loose, which is widely considered the definitive biography of the band.
http://www.w3.org/ns/prov#wasQuotedFrom	atomicbooks.com