About: http://webisa.webdatacommons.org/175878059

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	I believe your rhetorical question is blunted by the fact that muxtape is not the first site to do this ??? mixwit, seeqpod, projectplaylist and other sites let you build mixtapes and share them online.
http://www.w3.org/ns/prov#wasQuotedFrom	purevisibility.com