HOUSTON, Texas—With the finely honed perception of a music teacher, Sharon Lovell was very impressed by Shen Yun Performing Arts’ bel-canto singers. “The soprano was operatic—she was magnificent. And, the tenor was very, very good. The pitch was perfect, their technique was flawless,” she said of New York-based Shen Yun’s performance on Sept. 25. Lovell, a musician and music teacher, was effusive in her praise after watching a matinee session in Houston’s Wortham Center Brown Theater. This week, Shen Yun—a performing arts company whose mission is to bring back China’s 5,000 years of traditional culture through music, dance, and storytelling—has multiple performances taking place in Houston. “The soprano’s technique was different than many that I have heard. Her vibrato was different, the timbre of her voice, but it was very, very pleasing to the ear. I liked it,” she said. Shen Yun’s singers have been trained in the bel canto style—in …