Ivan Neville and Dumpstaphunk hit up the Sweetwater Music Hall in Mill Valley, CA for a very special Halloween show. How special? The New Orleans funk group welcomed Northern Cali resident Bob Weir to the stage for a couple of tunes. Yea, that kind of special.

You weren’t lucky enough to be there? Good thing Dumpstaphunk livestreamed the sit-in, including this super funky Shakedown Street from the stage. As he has with so many guest appearances this year, Bobby seamlessly blends into the band.

Check out Dumpstaphunk’s Facebook video archive for more footage from the sit-in including the soundcheck.