"When They Appear" at Grayduck Gallery. Artists Larry Graeber and Marilyn Jolly have collaborated on this Grayduck exhibition, which seeks to create a dialogue between them and their relationship to time, space and where we fit within it. The show includes sculpture, painting and mixed-media collage because both artists have a willingness to explore different resources, processes and surfaces in pursuit of a deepening personal vision. Opening reception 7 to 10 p.m. Saturday. 11 a.m. to 6 p.m. Thursday-Saturday, 12 to 5 p.m. Sunday through April 14. 2213 E. Cesar Chavez St. grayduckgallery.com.
Jerry Jeff Walker Texas Bash at Paramount Theatre. Ol’ Scamp Walker turned 76 last weekend, and he’ll celebrate with his annual bash at the historic downtown theater. Since surviving a serious bout with cancer in 2017, Walker returned strong with “It’s About Time,” his first album in a decade last year. $40-$75. 8 p.m. Saturday. 713 Congress Ave. austintheatre.org. — Peter Blackstock
Saturday Night Concert Series at Hill Country Galleria. Kicking off this weekend is a springtime concert series hosted by Austin City Limits Radio and featuring local favorites like Guy Forsyth, Nakia, Dale Watson and Fastball. (This Saturday features Forsyth.) Bring a blanket to lounge on the grassy lawn during the show or stake out a patio spot at nearby bars and restaurants, such as the Ginger Man, where you can see the show from a distance. 7 to 9 p.m. March 23. Free. 12700 Hill Country Blvd. hillcountrygalleria.com.
What a Hoot at the Lady Bird Johnson Wildflower Center. Nocturnal hunters, owls are more often heard than seen. Head to the Wildflower Center to learn about these mysterious birds and how they get along in and near our city. Plus, you'll get a chance to meet the center's resident great-horned owl, Athena, while you’re there. Registration is not required. 12 to 2 p.m. Saturday. $6-$12. 4801 La Crosse Ave. 512-232-0100, wildflower.org/event/what-a-hoot-family-event.
The Butterfly Bar at the Vortex's 9th Annual Garden Party. The bar rejuvenates its nationally certified butterfly sanctuary with a day of art, planting, live music and renewal of the earth. Bring a butterfly vine or other butterfly-friendly plants, such as milkweed, lantana, zinnia and Indian paintbrush. There will also be hula hopping, a petting zoo for kids, aerial acts on the outdoor stage, and special garden-inspired cocktails on the Butterfly Bar's menu. 2 to 5 p.m. Saturday. Free. 2307 Manor Road. vortexrep.org.
Beer School with Executive Brewer Jeff Young. Blue Owl Brewing invites beer lovers to delve deep with the East Austin brewery's co-owner and executive brewer Young about single malt, single hop beers (called SMaSH beers) and Blue Owl's distinctive sour brewing process. It's not often he throws on the tweed jacket to bring you a hands-on learning experience. You'll learn how to identify hop and malt characteristics in this classic school setting where the brewery even busts out the projector. 2 to 4 p.m. Saturday. $20. 2400 E. Cesar Chavez St. Suite 300. facebook.com/events/246468582969370/.
Mighty Texas Dog Walk. Make history with your pup. The Mighty Texas Dog Walk, which is Service Dog Inc.'s largest fundraiser of the year, kicks off the morning with an attempt to get the Guinness World Record for Largest Group Photo of Dogs. From there, everyone will go on the hour-long walk with their dogs. Afterward, trophies will be rewarded for largest team and best costumes, and raffles will have more than 20 prizes. Expect live music, food and more. 10 a.m. Saturday. $30-$100. Austin American-Statesman, 305 S. Congress Ave. servicedogs.org/mighty-texas-dog-walk-2019/.