Sixto Rodriguez, the Detroit-born folk musician and subject of Malik Bendjelloul's documentary Searching for Sugar Man, has died at the age of 81.
Greg Tate, co-founder of the Black Rock Coalition, Burnt Sugar, and the discipline of hip-hop criticism, has passed away at 64.
Margo Guryan, whose 1968 album 'Take a Picture' remains a cult classic, has passed away at 84.
