SPOKANE, Wash.—As an interior designer, Katie Getman appreciated the “true art” of Shen Yun Performing Arts as she attended a performance at the First Interstate Center for the Arts in Spokane, Washington, on Oct. 5. With her mother, Ms. Getman bought tickets after hearing glowing reviews about New York-based Shen Yun from friends in California. “I love the spiritual references about truth and love for each other, and respect,” Ms. Getman said. “It just reminds me that there’s a lot that we have in common also,” she reflected on Shen Yun’s artistic revival of traditional Chinese culture. “[V]aluing that simplicity of life, and the right to work for ourselves and have a happy life, and not be oppressed or have some of those basic things taken away from us,” Getman said. She was also greatly impacted by the costumes in the performance. Shen Yun’s costumes are inspired by the attire found …