Chris Robinson Brotherhood and Melvin Seals & JGB with special guest John Kadlecik will play a June 26 benefit show for the Rex Foundation at The Warfield in San Francisco. The show will come before the Grateful Dead hit the stage in Santa Clara for the start of their Fare Thee Well celebration.

Dubbed “Let It Rock,” the show benefits the Grateful Dead’s Rex Foundation. In Chicago, the foundation will also host several shows including Greensky Bluegrass on July 2, Dark Star Orchestra at the Vic Theatre and others.

Tickets go on sale June 5 at 10 AM PT via AXS.