Keller Williams and his Grateful Grass will be joined by String Cheese’s Michael Kang during their set at Strawberry Music Festival, according to Williams’ Facebook page.

Williams has already announced that members of The Infamous Stringdusters will also be playing with his Grateful Dead-inspired bluegrass project.

Strawberry Music Festival will take place this weekend, September 3-6, and will also feature sets by The Wood Brothers, Fruition, The California Honeydrops and more.

Tickets for the festival can be purchased here.