Hooper and Sloss Band Saturday, July 27 @ 3:00PM — 5:00PMSat, Jul 27 @ 3:00PM — 5:00PM Walnut Park, Petaluma Blvd So. at D St., Petaluma The Hooper and Sloss Band will be performing at the Farmers Market in Walnut Park Saturday afternoon, July 27. Share View on Google Maps