“I wanted to get kids to work more collaboratively. We say we’re a collaborative group, but the conductor is behind the piano teaching the choir parts rather than saying, ‘here's the part I want you to learn. Go learn it. Here are the expectations and come back and self-assess yourself.’ So, I designed performance tasks. I'll work on it as a group first, so they have some capacity for it. Then I'll have them break into sectionals and go reinforce it.”William Gunn is the director of music at P...