Summertime, straight up. SIP Artisanal Cocktail Class with Scott Beattie and Lou Bustamante What: Learn to make warm-weather cocktails with bartender extraordinaire Beattie and spirits expert Bustamante of St. George Spirits/Hangar One. Why: Swizzlers really satisfy. When: Fri., 5:30-7:30 p.m. Where: 1 Ferry Building, at The Embarcadero (415-291-3276). Tickets online at brownpapertickets.com. PLAY J-Pop Summit Festival What: Live music and fashion show celebrating the grand opening of the New People, a 20,000-square-foot, three-story Japantown retail and entertainment complex, complete with its own cinema. Why: Everybody talk about J-Pop music. When: Sat., 11 a.m.-6 p.m. Where: Post St., from Webster St. to Buchanan St., and to the Peace Plaza. COVET American Craft Council Show What: Artists from across the country showcase their wares, ranging from baskets to baubles. Why: Handmade wishes and artisan dreams. When: Fri., 10 a.m.-8 p.m.; Sat., 10 a.m.-6 p.m.; Sun., 10 a.m.-5 p.m. Where: Fort Mason Center, Herbst and Festival Pavilions, 99 Marina Blvd., at Buchanan St. (415-345-7500). Tickets online at craftcouncil.org. NOSH Street Food at 18 Reasons What: Three local street food purveyors — Gobba Gobba Hey ice cream, Bacon Potato Chips, and Cookie Wag — set up shop at the gallery for your gorging pleasure. Why: Step up to the streets. When: Thurs., 7-9 p.m. Where: 593 Guerrero St., at 18th St. OBSERVE The Partisan Gallery New Work Opening Reception What: Mission apartment-turned-gallery space debuts new video works from Nathan Boyce. Why: Home is where the art is. When: Fri., 7-10 p.m. Exhibit runs (by appointment) thru Sept. 4. Where: 112 Guerrero St., at Duboce Ave. (415-218-4633). MARVEL San Francisco Ballet at the Stern Grove Festival What: Works from the ballet’s current repertoire, performed for an audience lounging on blankets on the Grove’s tree-enclosed lawn. Why: Pliés plus picnic baskets. When: Sun., 2 p.m. Where: Sigmund Stern Grove, 19th Ave., at Sloat Blvd. (415-252-6252).