Grateful Dead offshoots Mickey Hart Band, 7 Walkers featuring Bill Kreutzmann and Donna Jean Godchaux Band with Jeff Mattson will perform at Dark Star Orchestra’s The Dark Star Jubilee this summer. As previously reported, the multi-day, multi-stage event will take place at Thornville, OH’s Legend Valley from August 31-September 2. In addition to three days of Dark Star, the festival will also feature: Keller Williams, Jorma Kaukonen, The Infamous Stringdusters, Ivan Neville’s Dumpstaphunk, Donna the Buffalo, Perpetual Groove, BoomBox, Giant Panda Guerilla Dub Squad, David Gans, Jahman Brahman and The Spikedrivers. Both Cornmeal and Rumpke Mountain Boys will also perform two sets. Additional acts will be confirmed in the coming weeks.

Here’s a look at the fest’s lineup

Dark Star Orchestra
Mickey Hart Band
7 Walkers featuring Bill Kreutzmann
Donna Jean Godchaux Band with Jeff Mattson
Keller Williams
Jorma Kaukonen
The Infamous Stringdusters
Ivan Neville’s Dumpstaphunk
Donna the Buffalo
Perpetual Groove
BoomBox
Cornmeal (2 Sets)
Giant Panda Guerilla Dub Squad
David Gans
Jahman Brahman
Rumpke Mountain Boys (2 Sets)
The Spikedrivers