When I was in high school, I was a member of the Wauwatosa (Wisconsin) East High School Concert Choir. Every weekday at 11:05, we took our music, got into our assigned seats, and readied ourselves to practice for the next hour. Mr. Bilderback, the director, was a task master but he took great pride in the choir. As a second alto, I rarely got to sing any exciting parts.Sometimes we competed in the Wisconsin high school choir competition, but that depended on whether…