Hot Tuna Acoustic are the latest act to be added to the lineup to this year’s Lockn’ Festival. The band joins a bill that already includes two nights of Robert Plant, Phil Lesh & Friends, Widespread Panic, The String Cheese Incident (including a special Doobie Incident set) and Tedeschi Trucks Band, as well as performances by Trombone Shorty & Orleans Ave, St. Paul & The Broken Bones and Keller Williams’ Grateful Gospel.

The Lockn’ Festival will return to its home in Arrington, VA on September 10-13. Tickets for the event are now on sale.