The String Cheese Incident will make their Gathering of the Vibes debut this summer, and will be doing a special set to celebrate the festival’s 20th anniversary. Vibes will be held from July 30th-August 2nd at Bridgeport, CT.

String Cheese will be playing two sets, and are pairing with David Grisman and Peter Rowan for a full set of Grateful Dead and Old & In The Way covers for the first set. Old & In The Way was a bluegrass supergroup that featured Jerry Garcia, and Grisman and Rowan were both members of the band.

You can even determine what songs they play by voting here!

Tickets and more information for Gathering of the Vibes can be found via the festival’s official website.