St. Paul & The Broken Bones will join the lineup at this year’s Lockn’ Festival, joining Robert Plant who was announced yesterday and will perform two nights. The Alabama soul outfit and Led Zeppelin frontman join a lineup that already includes The String Cheese Incident, The Doobie Brothers, Keller Williams’ Grateful Gospel, Widespread Panic and Tedeschi Trucks Band.

Lockn’ Festival is slated for September 10-13 at the Farm in Arrington, VA. All ticketing information is available via the festival’s website and more artists are expected to be announced in the near future.