Crucial Sundays has been going long enough that it has its own regulars — people who bring the same folding chair every week — and that continuity is part of the point. Sound system culture, dancing on grass, and no cover charge is a combination that's harder to find than it used to be. Food trucks and vendors typically set up nearby, so you're not foraging. The park can be cold even in July; a layer is not optional.

Practical tip: Don't drive to the Panhandle. Parking on Fell and Oak on a Sunday afternoon is a lesson in patience you don't need. Take MUNI or bike in on the Wiggle — there are park rack options near the Haight entrance.

If you've got two hours: Get there by 2pm before the crowd thickens, find a spot on the grass with a sightline to the stage, and eat before you go — the vendor lines move slowly once it fills up.