Deadheads unite! Over 30 years after Jerry Garcia graced the River Theater’s stage with the Jerry Garcia Band, the reopened venue welcomes Grateful Dead tribute band Dark Star Orchestra. Now almost 2,000 concerts into their career, Dark Star Orchestra bring their eclectic, all-American style to the venerable Guerneville theater. The band has appeared on stage with former Grateful Dead members including Bob Weir, Bob Kreutzmann and Donna Jean Godchaux. Come go through the transitive nightfall of diamonds on Thursday, Sept. 29, at the River Theater. 16135 Main St., Guerneville. 9pm. $28. 707.869.8022.