About: http://webisa.webdatacommons.org/58377515

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	But Cotton emerged as the most powerful player, in terms of strength.During his biggest commercial heyday, in the 1970s, Cotton opened for rock acts such as Janis Joplin, the Grateful Dead, Led Zeppelin and Santana.
http://www.w3.org/ns/prov#wasQuotedFrom	mailtribune.com