Fog town, summer in the city. ROCK Katie Garibaldi CD Release Party What: Local singer/songwriter performs ballads from her new album, Next Ride Out, with ticket proceeds benefiting Muttville. Why: Think Sheryl Crow meets Paula Cole. When: Sat., 9 p.m. Doors at 8 p.m. Where: Broadway Studios, 435 Broadway St., at Kearny St. (415-291-0333). ATTEND The Economics of Art What: Mix and mingle with indie fashion designers (Porcelynne, Artefacture) at a SOMA soiree featuring a student runway show and fashion exhibit. Why: You’re a weapon of massive consumption. When: Thurs., 6 p.m. Where: Project One Gallery, 251 Rhode Island St., at 15th St. PLAY The DailyCandy 100-Day Giveaway, Presented by Comcast.net What: It’s as easy as tic-tac-toe to win killer prizes from the likes of Gemma Redux, Rubie Green, and Rebecca Minkoff. Why: You’ve got nothing to lose. When: Thru Sept. 22. Where: Online at comcast.net. GO Summer Sailstice What: Cruise your dingy over to TI to kick off summer’s opening chapter with sailboat races, live music, a treasure hunt, and more for the whole fam. Why: When the boat’s a-rockin … When: Sat., 11 a.m.-10 p.m. Where: Treasure Isle Marina, 1 Clipper Cove Way, Treasure Island (415-482-6069). SIP The Golden Glass What: Round out your goblet with more than 200 varietals from local and international wineries while noshing on bites from A16, Delfina, and RN74 (among others) at Slow Food SF’s tasting extravaganza. Why: Vino, vidi, vici. When: Sun., 2-6 p.m. Where: Fort Mason Center, Festival Pavilion, Marina Blvd., at Buchanan St. (415-345-7500). Tickets online at brownpapertickets.com. SEE A Day in My Shoes Reception What: You’ll be head over heels at the SOMA shindig honoring local photog Amy Martin-Friedman’s 25-piece exhibit of Bay Area gals wearing their fave pairs. Why: These shoots were made for walkin’. When: Fri., 5-8 p.m. Where: The Artists Alley, 863 Mission St., b/t 4th & 5th Sts. (415-522-2440).