Highlands Church 9050 E. Pinnacle Peak Rd., Scottsdale

More unites us than divides us. Scottsdale is joining other Valley cities for the annual walk to promote mutual respect and understanding. The event starts at Tempe Beach Park with a festival at 4:30 p.m., then a one-mile walk over the Mill Avenue Bridge at 6 p.m. Details available by phone or online. Search “Unity...

Musical Instrument Museum 4725 E. Mayo Blvd., Phoenix 480-422-8449 azmusicfest.org

Don’t miss your chance to hear the stars of tomorrow—today! Arizona Musicfest brings the best young classical talent in Arizona. $23.50. Musical Instrument Museum, 4725 E. Mayo Blvd., Phoenix. 2 p.m. 480-422-8449; azmusicfest.org

Rock and Roll Hall of Famer and former Beach Boy Al Jardine is joined by his son, Matt, for a night of songs and storytelling. $63.50–$78.50. Musical Instrument Museum, 4725 E. Mayo Blvd. 7 p.m. 480-478-6000; mim.org

Find out why the Waste Management Phoenix Open has earned the nickname “The Greatest Show on Grass.” Free and discounted admission available. See website for details and schedule. Tournament Players Club of Scottsdale, 17020 N. Hayden Rd., Scottsdale. wmphoenixopen.com

La Casa de Cristo Church 6300 E. Bell Rd., Phoenix 480-422-8449 azmusicfest.org

Calling all future 2018-2019 kindergarten coyote pups! Diamond Canyon School is holding kindergarten roundup. 40004 N. Liberty Bell Way, Anthem. 5:30–7 p.m. dvusd.org

Just because we live in the desert doesn’t mean we can’t garden! Join urban gardeners as they share information on growing healthy food, herbs, edible flowers and fruit trees in our desert. Info available at website. Search “green building.” Free. Granite Reef Senior Center, 1700 N. Granite Reef Rd., Scottsdale. 7 to 8:30 p.m. scottsdaleaz.gov

Arizona Opera celebrates composer Leonard Bernstein’s centennial with the company premiere of “Candide.” Fast-paced, funny and philosophical, this Tony award-winning Broadway smash is now considered an operatic masterpiece. See website for show times and ticket prices. Symphony Hall, 75 N. 2nd St., Phoenix. 602-266-7464; azopera.org