Music: The Superpromoters

In the tiny upstate New York town of Watkins Glen last week, the sound of rock music was heard no more. The previous weekend's massive Summer Jam was over, and in its wake were other sounds. The vroom of departing campers, jalopies and motorcycles as the last of 600,000 pop fans set out along roads which for the first time in nearly a week were not clogged with traffic. The crunching of garbage compacters at work on tons of litter from the auto-race-track festival site. The echo of unanimous voices raised at the Schuyler...