The third annual Great Unknown Festival Festival is scheduled for October 8-9, at King’s River Retreat outside Eureka Springs, Arkansas. Just added to the bill is a the Unknown Allstars a group that belies its name given a roster that includes Bernie Worrell, Leo Nocentelli, Count M’butu, Jeff Sipe, and Bobby Vega. Two other additions to the event (which also will feature appearances by Stockholm Syndrome, Grease Factor, Jacob Fred Jazz Odyssey, Brothers Past and Addison Groove Project) are the Melvin Sparks Band and Moonshine Still.