Wendy’s Yellow Poncho, 10 p.m., MOTR Pub, 1345 Main St., Over-the-Rhine. With the Winter Sounds. Free. 513-381-6687; www.motrpub.com.
Jason Mraz, 7:30 p.m., Riverbend Music Center, 6295 Kellogg Ave., Anderson Township. With Christina Perri. Reserved pavilion: $59.50, $39.50; $20 lawn. Plus fees. 800-745-3000; www.ticketmaster.com.
Machine Gun Kelly, 8 p.m., Madison Theater, 730 Madison Ave., Covington. Rapper from Shaker Heights, Ohio. $32.50 VIP, $24.50 mid section, $19.50. 859-491-2444; www.cincyticket.com.
Alexandria Fair & Horse Show, 6:30-10:30 p.m., Alexandria Fairgrounds, 100 Fairgrounds Lane. All ages. $8. Through Sept. 3. 859-635-2667.
Plant Trials Day, 8 a.m.-5 p.m., Cincinnati Zoo and Botanical Garden, 3400 Vine St., Avondale. Seminars and information sessions. Bid on rare plants in silent auction. Catered lunch, beer tasting social hour 5-6 p.m. and parking pass provided. $49. Registration required. 513-559-7767, option 4; cincinnatizoo.org/events/plant-trials-day.
Fox and Hound 5K, 7 p.m., Purple People Bridge. Race begins at bridge, crosses Ohio River and runs through Sawyer Point and Friendship Park. Afterparty follows with food, drinks and music. Benefits United Cerebral Palsy of Greater Cincinnati. $35, $5 afterparty only. Registration required. 513-378-8047; www.ucp-cincinnati.org/foxandhound5k.
Harry James Orchestra, 7-10 p.m., Blue Ash Golf Course, 4040 Cooper Road. Cooper Creek Event Center. Benefit dance and concert. For seniors. Benefits WMKV 89.3 FM. $30 advance. 513-782-2427; www.wmkvfm.org.
Vodka A Go-Go, 5:30-9 p.m., Christian Moerlein Brewery Event Hall, 1619 Moore St., Over-the-Rhine. More than a dozen international, national and local vodka brands. Vodka-infused cuisine and desserts from area restaurants. Music by local DJs. $40. 513-665-4369; www.citybeat.com.
AVP Cincinnati Open, 8 a.m.-8 p.m., Washington Park, 1225 Race St., Over-the-Rhine. Men’s and women’s professional sand volleyball tournament. No reserved seating. Through Sunday. $15 Friday, $15 Saturday, $20 Sunday; free ages 2 and under. 800-781-4296; www.avpcincyopen.com.
Blossoming art opening, 6-8 p.m., Hyde Park Floral and Garden Center, 3660 Michigan Ave. Coffee Garden Cafe. Works by 13 watercolorists and colored pencil artists from the Art Circle at the Essex Studios. Opening includes refreshments and music by Sam Marshall. Exhibit continues through October. 513-871-9888.
KISS and Motley Crue, 7 p.m., Riverbend Music Center, 6295 Kellogg Ave., Anderson Township. Reserved pavilion: $151, $90.50, $50.50; $109 four-pack lawn, $36 lawn; plus fees. 800-745-3000; www.ticketmaster.com.
Shakespeare in the Park, 7 p.m., Seasongood Pavilion, 950 Eden Park Drive, Eden Park. “MacBeth.” Presented by Cincinnati Shakespeare Company. Free. 513-381-2273, ext. 3202; www.cincyshakes.com.
Guinness Oyster Fest, 5-10 p.m., Fountain Square, Fifth and Vine streets, Downtown. Variety of raw and cooked oyster dishes available. Music, merchandise and Guinness beer. Free. 513-763-8036; www.myfountainsquare.com.
Kentucky Symphony Orchestra, 7:30 p.m., Devou Park, 1344 Audubon Road, Covington. Amphitheater. Summer Series: Do the Time-Warp. KSO Boogie Band serves battle of decades: 1970s and 1980s vie for pop tune supremacy. Free, $5 suggested donation. 859-431-6216; www.kyso.org.
The Legendary Shack Shakers, 8:30 p.m., Taft Theatre, 317 E. Fifth St., Downtown. The Ballroom. With the Dirt Daubers and the Tillers. $15, $12 advance; plus fees. 800-745-3000; www.ticketmaster.com.
Ohio Renaissance Festival, 10:30 a.m.-6 p.m., Ohio Renaissance Festival, Ohio 73, Harveysburg. Fair with 16th century theme. Jousting, displays, costumed performers, entertainment stages, arts and crafts shops and concessions. Rain or shine. $110 season pass; $19.99, $9.99 ages 5-12; free ages 4 and under. Discounts available online. Through Oct. 21. 513-897-7000; www.renfestival.com.
The Three Musketeers, 8 p.m., Playhouse in the Park, 962 Mount Adams Circle, Eden Park. Through Sept. 29. 513-421-3888.
Rubber Duck Regatta, 3 p.m., Purple People Bridge. More than 100,000 ducks race along Serpentine Wall for prizes. Benefits Freestore Foodbank. $100 for 24; $50 for 12; $25 for 6; $5 per duck. Advance purchase required. 513-929-3825; www.rubberduckregatta.org.
Cheetah Run 5K, 8 a.m.-6 p.m., Cincinnati Zoo and Botanical Garden, 3400 Vine St., Avondale. Safari Camp Parking Lot. Free Cheetah Cub Fun Run for ages 12 and under. Benefits Cat Ambassador Program. $35, $30 members. Registration required. 513-281-4700; cincinnatizoo.org/events/cheetah-run.
Cincinnati Bell/WEBN Fireworks, 9:05 p.m., Downtown Cincinnati. Viewing locations along Cincinnati/Newport/Covington riverfront and various other locations. Entertainment starts at noon along the banks of the Ohio River. 513-686-8500; www.webn.com.