The Chicago Tribune has collected a comprehensive list of the country’s best summer classical music festivals that could be a useful tool in any educator or musical parent’s calendar. The Chicago Tribune has collected a comprehensive list of the country’s best summer classical music festivals that could be a useful tool in any educator or musical parent’s calendar. The write-up includes details on programs, nearby sights, and dining options at events such as the Boston Symphony Orchestra’s Tanglewood, the Glimmerglass festival in Cooperstown, N.Y., the Chicago Symphony Orchestra’s Ravinia festival, and more.