Bright Sheng is a professor of composition at the University of Michigan. He was born in China in 1955; when he was a child, the Red Guards took away his family piano. Nevertheless, he grew up to become a widely celebrated musician: He received a MacArthur "genius" Fellowship in 2001, and has twice been a runner-up for the Pulitzer Prize in music. His undergraduate students should certainly count themselves lucky to be able to learn from him. Instead, they are demanding the university fire him for rendering the classroom an unsafe space. The administration is looking into the matter, and...