PORTLAND, Ore.—Shen Yun Performing Arts, the world’s premier Chinese classical dance and music company, is always a boon for music lovers. Its world-class orchestra and individual solo presentations of traditional Chinese instruments never fail to provide a breath-taking experience. For retired music teacher Doreen Thorusen, this was certainly the case. Doreen, together with her husband James, a retired broadcast engineer for CBS Television, had come to see Shen Yun at  Keller Auditorium, Portland, Oregon. Doreen plays in the Salem Philharmonic Orchestra and teaches violin privately. “The orchestra was perfect! They were really, really, good and I liked the blending of the Western instruments along with the Asian instruments. It was a very, very nice touch,” she said. The virtuoso performance on the erhu, a traditional Chinese two-string violin, also impressed Doreen. “She was awesome! And when [the musician] got the really fast part, when she was moving along, that was …