MusicFest returns to the Willow Waterhole Greenway in April, with live bands and photo opportunities among the bluebonnets. Other events this month support the Bellaire Library, celebrate Earth Day and help raise funds for a variety of causes.

April 1-3, 7-10, 14-16: See a local theatrical production

Liz Duffy Adams is putting on “Dog Act,” an original dark comedy, at Main Street Theater. The play follows traveling performers Zetta Stone and Dog as they venture through a postapocalyptic wasteland to get to a gig in China. 7:30 p.m. (Thu.-Sat.), 3 p.m. (Sun.). $35-$59. Main Street Theater-Rice Village, 2540 Times Blvd., Houston. 713-524-6706. www.mainstreettheater.com

April 2: Join Friends of Bellaire Library for fire book sale

The Friends of the Bellaire Library host a spring book sale to raise funds for the city of Bellaire Library, including its summer reading program and other community activities. Adult hardback books are $2, while paperback books are $1. Children's hardback books are $1, and paperback books are $0.50. 9 a.m.-2 p.m. Free (admission). Bellaire Fire Station, 5101 Jessamine St., Bellaire. www.fotbl.org


April 8: Attend a fundraiser gala

Devereux Advanced Behavioral Health will host its 10th annual Dev Gala. Funds raised go to helping people with behavioral, cognitive and emotional difficulties. The gala will feature a live band, cocktails and a red carpet. 6:30-11:30 p.m. $275-$15,000. Hotel ZaZa, Museum District, 5701 Main St., Houston. 800-373-0011. www.savorthehope.org

April 9: Drop by a local music festival

The Willow Waterhole Greenway will host MusicFest, featuring live bands playing country, jazz and classic rock music. The pet-friendly event will host four food trucks on-site, and guests can take photos among the blooming bluebonnets. 11 a.m.-8 p.m. Free. Schwartz Gazebo, 5300 Dryad Drive, Houston. www.willowwaterhole.org/musicfest


April 9: Run for the Astrodome

The Astrodome Conservancy will host a 5K competitive run and a 1K leisure run around the Astrodome to celebrate its 57th anniversary and raise funds for its preservation and development. 7:30 a.m. $20-$35. Houston Astrodome, 3 NRG Parkway, Houston. www.astrodomeconservancy.org

April 9: Watch a parade of creative cars

The 35th annual Art Car Parade will be presented by Team Gillman and features over 250 cars. The main event will be surrounded by multiple smaller events on different days, including an award show, preparties, and children’s workshops. 2-4 p.m. Free. Downtown Houston, Bagby Street at Dallas Street. 713-926-6368. www.thehoustonartcarparade.com


April 10: Support local nonprofits at the Merfish Teen Center

Families with children of all ages are invited to Generation Serve Houston's volunteer day event, Share The Love. The inaugural event allows for hands-on service projects to help more than 25 local nonprofits, including animal care, environmentalism, caring for children, senior support and food insecurity. Nonprofits include Kids' Meals, Literacy Now, CPS Kids, HeartGift, Ronald McDonald House and Houston Botanic Gardens, among others. 1-2:30 p.m. (first shift), 3-4:30 p.m. (second shift). Free (register online). Merfish Teen Center, 9000 S. Rice Ave., Houston. 713-907-1072. www.generationservehtx.org

April 22: Laugh along at a comedy performance

Tig Notaro will bring her standup show “Hello, Again” to Cullen Theater. The Grammy-nominated comedian is known for her appearances on “The Late Show,” “The Ellen Show,” and her podcast “Don’t Ask Tig.” 7 p.m. $45-$55. Cullen Theater, 501 Texas Ave., Houston. 713-227-4772. www.spahouston.org


April 22-23: Marvel at dancers

Choreographer Karol Armitage will present a dance routine in celebration of Skyspace’s 10th anniversary at the Moody Center of the Arts. The performance is set to take place in sync with the setting sun. 8 p.m. Free. James Turrell’s “Twilight Epiphany” Skyspace, 6100 Main St., Ste. 101, Houston. 713-348-2787. http://moody.rice.edu

April 23: Walk for a cause

Prosperity Bank presents Walk With Me, a noncompetitive 5K run. Proceeds benefit Easter Seals Greater Houston, serving people with disabilities by providing therapy and education. 8 a.m. $50. Houston Zoo, 6200 Hermann Park Drive, Houston. 713-838-9050. www.eastersealshouston.org


April 24: Celebrate Earth Day

Christ the King Evangelical Lutheran Church will host a day of stewardship in honor of Earth Day. Tools will be provided on-site. 1:30-4:30 p.m. Free. Schwartz Gazebo at the Willow Waterhole Greenway, 5300 Dryad Drive, Houston. 713-523-2864. www.ctkelc.org

April 28: Dance without judgment

Gallery Furniture will host an Autism Prom with Success on the Spectrum. The sensory-friendly event is open to all ages and will include behavioral therapists who will lead children in games and dances. 3-6 p.m. Free. Gallery Furniture, 6006 North Freeway, Houston. 346-217-8328. www.galleryfurniture.com

Throughout the month: Catch a free performance at Miller Outdoor Theatre

Located at Hermann Park, Miller Outdoor Theatre offers a variety of free events for the public during a season that typically runs from April through November. Although performances are free, guests can secure tickets for covered seating one day prior to each performance. Read more here.