Furthur will host a festival this spring. The event will take place at Mountain Aire in California from May 28-30 over Memorial Day. The information was confirmed on the group’s homepage as part of its Furthurmore Fridays series of announcements. The band promises “more details coming soon.” The six musicians will perform with a range of friends at San Francisco, CA’s Bill Graham Civic Auditorium at Phil Lesh’s 70th birthday celebration Friday night.