About: http://webisa.webdatacommons.org/58179576

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	Tipbook Vocals, a handy, accessible, thorough and convenient guide to the vocal instrument, written in close collaboration with classical and non-classical singers and teachers, therapists and other experts.
http://www.w3.org/ns/prov#wasQuotedFrom	van.org