Last week I had the pleasure of watching the Upper School concert in the Arts Center. I was reminded once again about the power of public performance in the realm of music and in education in general. There is something remarkably simple about the practicing for a performance and ultimately displaying what you have learned for all to see. There are no second tries, and there is certainly nowhere to hide from the public assessment of your work as a performer. What I love is that the assessment of that learning, in the audience, is a group endeavor rather than a measure of individual achievement. Any given musical group is only as strong as its least capable member, and there is such teamwork and collaboration at play watching our bands and choir. I particularly enjoy tracking the symphonic band percussion section as they scramble around for the cymbals, triangles, chimes, and other toys that their work always seems to require. This week I heard our groups tackle some parti...