About: http://webisa.webdatacommons.org/91419826

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 earlier versions, after every fixed interval of a certain number of songs is completed, a hidden part of the game, such as a new song or course, would automatically become available.
http://www.w3.org/ns/prov#wasQuotedFrom	notmike.com