The Summer Camp Music Festival lineup just got a headliner leak confirmed through the festival’s Twitter page; the promoters are planning to welcome Widespread Panic this year to help round out the always-stellar lineup of moe., Umphrey’s McGee and Keller Williams. Plenty of other bands are already listed as confirmed over at Consequence of Sound, including Girl Talk, Lotus, Punch Brothers, The Avett Brothers and STS9 among others.

Here’s the lineup so far:

* moe.
* Umphrey’s McGee
* Widespread Panic
* STS9
* Bassnectar
* Cypress Hill
* The Avett Brothers
* Girl Talk
* Yonder Mountain String Band
* Bela Fleck and The Flecktones
* Keller Williams
* Slightly Stoopid
* Lotus
* Wiz Khalifa
* Skrillex
* EOTO
* Cornmeal
* Punch Brothers
* The Wood Brothers
* Big Gigantic
* Daedelus
* Family Groove Company
* Greensky Bluegrass
* Future Rock
* The Pimps of Joytime
* Ryan Montbleau Band
* Paper Diamond
* Papadosio
* Two Fresh
* Chicago Farmer
* Truth & Salvage Co.
* Keys N Krates
* Van Ghost
* Jaik Willis
* Brainchild
* Lubriphonic
* Positive Vibr8ions
* DJ Belly