As part of their ongoing lineup rollout, LOCKN’ has announced that Joe Russo’s Almost Dead will take over two late-night slots at the Arrington, Va. festival, serving up their version of the Grateful Dead songbook on August 23 and 24.

Jam-rockers Moon Taxi have also joined the lineup, playing a late-afternoon set on Friday at the main stage.

The two acts join a schedule that already features four sets of Dead & Company and two sets each from Umphrey’s McGee, Tedeschi Trucks Band and Lettuce—along with a special Jerry Garcia Band tribute featuring Lettuce—plus music from Sheryl Crow, Blues Traveler, George Clinton & Parliament Funkadelic, Toots & The Maytals, Turkuaz, Lukas Nelson and Promise of the Real, Pigeons Playing Ping Pong and The Suffers.

Additional artists will be added until the full list is revealed on February 8. General ticket sales for LOCKN’ begin this Friday, February 9.

Check out the schedule (so far) below. For more information go to the official LOCKN’ website.