Ohio's The Werks have just announced that Umphrey's McGee will join them at this year's The Werk Out Music & Arts Festival, which will take place at Legend Valley in Thornville, Ohio between August 6 - 8.

The Werks will play all three nights of the festival, with Papadosio and Dopapod both aboard for two nights. The Floozies, Break Science and Consider The Source have also been added to the lineup. Umphrey's McGee will play two sets at The Werk Out. Additional acts confirmed for The Werk Out '15 include Lettuce, The Nth Power, The Main Squeeze, Turbo Suit, Tauk, Earthcry and Pgrass.

GA and VIP passes are on sale now via Eventbrite.

The Werk Out Music & Arts Festival 2015 Lineup

The Werks (3 Nights)
Umphrey's McGee (2 Sets)
Papadosio (2 Nights)
Lettuce
Dopapod (2 Nights)
The Floozies
Break Science
The Nth Power
The Main Squeeze
Consider The Source
Rumpke Mountain Boys
Turbo Suit
Tauk
Buku
EarthCry
PGrass (Ft. Brock Butler from Perpetual Groove)
The Mantras
The Heard
Blue Moon Soup (Two Nights)
Broccoli Samurai
Attak & Carma
Tropidelic
G.Finesse & Black Eagle
Cheezcake
Peridoni
Mouth