Learn about common symbols found on petroglyphs, why are they there, and how we care for them, then make your own to take home! Part of Cave Creek Museum’s Second Sundays. Free with museum admission. Cave Creek Museum, 6140 E. Skyline Dr., Cave Creek. 2–4 p.m. 480-488-2764

Three prestigious musicians in the historical instrument performance field will open the 10th anniversary Arizona Bach Festival for a truly inspired afternoon. $21/ advance; $25 at the door. Christ Church of the Ascension, 4015 E. Lincoln Dr., Paradise Valley. 3 p.m.

Enjoy the sounds of Beth Lederman on keyboards, Felix Sainz on bass and vocals, and Emerson Laffey on drums as they share the stage with noted saxophonist Joseph Wytko. $35. Tohono Ballroom at El Pedregal Boulders Resort, 34505 N. Scottsdale Rd., Scottsdale. 4 p.m. 480-204-7292

Significant life changes can throw a curveball at your financial situation. Having a plan in place for starting a family, dealing with divorce or end-of-life decisions can ease the transition and emotion surrounding challenging events. Free. 9 a.m. Carefree Council Center, 33 Easy St., Carefree. 480-488-6131

The sound of the Native American flute has the power to soothe and heal. Playing the flute is a wonderful means of relaxation. Learn the history of the Native American flute and enjoy meditation and prayer with flute music. You’ll also learn the basics of flute playing. No experience necessary. $50. RSVP. Desert Foothills Library,...

One of the largest auto auctions in the nation, the much-anticipated Russo and Steel Car Auction comes to Salt River Fields at Talking Stick Resort. See website for admission. 7555 N. Pima Rd., Scottsdale. 9 a.m.–5 p.m. 602-252-2697

Francois Gauthron, a military historian, will discuss his recent book, “Colors of War, not Black and White but Nuances of Gray.” He and his wife hope to connect with others who love history and conduct research for his next book about the WII glider crashes in Normandy. RSVP. Free. Desert Foothills Library, 38443 N. Schoolhouse...

La Señora Scottsdale presents Winemaker Dinner, featuring The Saguaro Scottsdale Executive Chef Cesar Vasquez and Pillsbury Wine. Five distinct courses; five distinct wines. $89, includes tax and gratuity. 4000 N. Drinkwater Blvd., Scottsdale. 5–8 p.m.

Cave Creek Museum welcomes Channel 8 “Arizona Collectibles” certified, licensed appraiser Sean Morton. Learn to manage your collection, assess value and creatively market your pieces. Admission TBD. Cave Creek Museum, 6140 E. Skyline Dr., Cave Creek. 9:30 a.m.–4:30 p.m. 480-488-2764

Kick off tax filing season by shredding sensitive documents and helping Youth for Troops. Bring up to four banker-sized boxes of paper products to Freeman Income Tax Service. No cardboard or plastic bags will be accepted. Free; donations accepted. 41111 N. Daisy Mountain Dr., Anthem. 10 a.m.–1 p.m. 623-518-2157