Slightly Stoopid is the latest addition to this year’s Lockn’ Festival, as the Arrington, VA festival continues its lineup rollout. The California rockers join a lineup that includes the likes of Robert Plant, Widespread Panic, The String Cheese Incident, The Doobie Brothers, Tedeschi Trucks Band, Phil Lesh & Friends and more. More artists are expected to be announced in the near future.

Lockn’ is slated for September 10-13 in Arrington, VA. Tickets are available here.