Break out your leather for the return of Folsom Street Fair.

Plus, Oktoberfest celebrations are sloshing around the Bay Area, the Monterey Jazz Festival returns, see and be seen at SF Symphony's opening night gala, Portola Festival makes its debut, and much more.

Have a good one.

Only two days remain to experience the only-in-SF magic of Flower Piano. The gardens are transformed into an interactive alfresco concert experience with pianos tucked among the flora. Listen to the pros play everything from jazz to opera or give it a go yourself; Monday and Tuesday. // San Francisco Botanical Garden (Golden Gate Park); tickets at sfbg.org

Catch an art exhibit curated by Elton John. The selection of photographer Peter Hujar's works spans nearly two decades and features striking black-and-white portraits of Hujar’s eclectic circle of friends, his landmark nudes, pets, and seascapes. A portion of the proceeds from the exhibition will go to the Elton John AIDS Foundation; through October 22nd. // Fraenkel Gallery, 49 Geary St. #450 (Union Square), fraenkelgallery.com

Looking for Oktoberfest celebrations in the South Bay? Look no further than downtown Redwood City’s weeklong festivities with an 1,110-foot-long family-style table, music, dancing, beer, traditional eats, and more; Wednesday to Sunday. // Courthouse Square (Redwood City); tickets at aftontickets.com

Rock out with the Red Hot Chili Peppers at a benefit concert for UCSF Benioff Children’s Hospitals. Individual tickets includes entry to the Dreamfest concert, a VIP cocktail reception, and after party; Wednesday at 6pm. // Oracle Park (Mission Bay); tickets at theconcertforkids.org

Make your care for sustainability a great excuse to pop up to Napa midweek. Ashes & Diamonds' proprietors Kashy and Laura Khaledi are hosting a Q&A with experts on the subject within the field of viticulture—among them two of our favorite winemakers, Diana Snowden Seysses (A&D) and Steve Matthiasson. Oh, and there will be wine, of course; 6-8pm Wednesday. // Ashes & Diamonds, 4130 Howard Ln. (Napa); tickets ($20) are available at exploretock.com.

Enjoy the works of three local artists at Give & Take.The display at Saint Joe’s features Randy Colosky, Ramekon O'Arwisters, and J. John Priola; Thursday, 6pm to 8pm. // Saint Joseph’s Arts Society, 1401 Howard St. (SoMa); RSVP at eventbrite.com

Sip adorable, delicious mini cocktail flights on the East Bay’s best patio. Not only does Hangar 1’s Alameda vodka distillery have some of the best SF views around, they offer cocktail classes and cheese and caviar pairing courses that promise a fantastic day across the bay; open Thursday through Sunday. // Hangar 1 Distillery, 2505 Monarch St. (Alameda); book your experience at hangarone.com.

Thank you to our partners at Hangar 1.

Dress like a Parisian cool girl at the opening of Sézane’s first flagship address in Northern California. The trés chic women's boutique opens just in time for the launch of the fall collection. Look for the men's brand Octobre Editions to make a guest appearance later in the season; opens Friday. // 2028 Fillmore St. (Pacific Heights); details at sezane.com

For our Oakland dwellers, Friday Nights at the Oakland Museum is the place to be. Kick off your weekend with a Latin dance class followed by hands-on activities, Off the Grid food trucks, live music, late-night access to the galleries, and cocktails and bar bite at the Town Fare Sundeck; 5pm to 9pm. // Oakland Museum of California, 1000 Oak St. (Oakland); details at museumca.org

See why the Monterey Jazz Festival is the longest continuously running annual jazz event in the world. This year's lineup includes Gregory Porter, Chucho Valdés, Dee Dee Bridgewater, Moodswing Reunion, Veronica Swift, Artemis, and many others across four stages; Friday through Sunday. // Monterey County Fairgrounds (Monterey); tickets at montereyjazzfestival.org

Swap your Patagonia for a proper gown: The San Francisco Symphony kicks off its new season with a glamorous opening night gala this week. Dine; enjoy an imaginative presentation of A Midsummer Night’s Dream featuring African-American Shakespeare Company actors and surprise guest stars; then get down at the post-concert block party; Friday at 7pm. // Davies Symphony Hall, 201 Van Ness Ave. (Civic Center); tickets at sfsymphony.org

Cats need love, too. Enter the San Francisco Cat Extravaganza—a paw-sitively adorable event bringing together cat lovers and some of the most talented and rare felines. Plus, on-site vendors and workshops; 4pm to 8pm Friday and 10am to 6pm Saturday to Sunday. // Cow Palace Arena, 2600 Geneva Ave. (Daly City); tickets at cowpalace.com

Shark-curious? Learn about the latest shark research from experts, artists, and conservationists. Then sit back and enjoy Sharktoberfest Movie Night, an outdoor screening of shark films along with popcorn, drinks, and a food truck; Saturday at 5:30pm. // Greater Farallones Visitor Center, 991 Marine Dr. (Presidio); RSVP at farallones.noaa.gov

Meet whisky distillers and master blenders at Whiskies of the World. Taste your way through a selection of single malt and blended Scotch and craft-distilled whiskies. Plus, check out curated master classes and nosh unlimited light bites; Saturday at 6:45pm. // InterContinental Hotel, 888 Howard St. (SoMa); tickets at whiskiesoftheworld.com

Prefer your Oktoberfest with a view? Head to Treasure Island for Woods Fest, featuring a German brass band, bratwurst, beer steins, new beer releases, and more; Saturday, noon to 5pm. // Woods Island Club, 1 Avenue of the Palms (Treasure Island); tickets at eventbrite.com

Portola Music Festival makes its debut this weekend from the same folks behind Coachella and Stagecoach. In addition to headliners Flume and the Chemical Brothers, the lineup also boasts well-known acts including MIA, Gorgon City, Kaytranada, Drama, Fatboy Slim, Charli XCX, Jamie xx, Caroline Polachek, and James Blake; Saturday and Sunday. // Pier 80, 401 Cesar Chavez St. (Dogpatch); tickets at portolamusicfestival.com

Yum Yams is back to celebrate all things ube—the delicious purple yam used in both sweet and savory dishes, especially in Filipino cuisine. Kapwa Gardens will be partnering with 5M for a food crawl of all things ube; Saturday, noon to 6pm. // Kapwa Gardens, 967 Mission St. (SoMa); RSVP at kapwagardens.com.

Shop for discounted comic books and meet local artists and zine makers at Sour Cherry's book fair; Saturday, 1pm to 5pm. // Sour Cherry Comics, 3187 16th St. (Mission); details at eventbrite.com

Embrace fall with a succulent pumpkin workshop and a flight of tasty ciders from Flora & Ferment; Saturday, 6pm to 8pm. // Flora & Ferment, 1122 Solano Ave. (Albany); tickets at eventbrite.com

Break out your leather (or your birthday suit) for the return of Folsom Street Fair. The world’s largest event centering around kink, leather, and alternative sexualities has something for every consenting adult including four community stages with every kind of performance, queer wrestling, and vendors with amazing handmade products; Sunday, 11am to 6pm. // Folsom Street (SoMa); details at folsomstreet.org

Race, ride, and experience 142 years of naval history at Mare Island's third annual PedalFest. There will be activities for all ages including a swap meet, a bike tour of the island, and a kids bike rodeo—plus food, brews, and waterfront views; Sunday, 8am to 4pm. // Mare Island Coal Shed Brewery, 851 Waterfront Ave. (Vallejo); tickets at mareislandpedalfest.com

The Cole Valley Fair is back for its 18th year with arts and crafts, food booths, live music, a display of historic Cole Valley photographs, and a full block of vintage automobiles owned by neighborhood residents; Sunday, 10am to 5pm. // Cole Street between Frederick & Grattan and Parnassus Ave. between Shrader & Belvedere (Cole Valley); details at sunsetmercantilesf.com