Head over to Greensboro for the Eastern Music Festival and you'll find multiple orchestras and multiple concert series sprinkled across the annual five-week celebration. Peep in on the last nights of EMF and you can expect multiple symphonic finales, the Young Artists Orchestras offering their valedictories, followed by the professionals of the Festival Orchestra on closing night. Of course, among the primary reasons for making the journey, both for students who populate the youth orchestras and for audiences who come to see and hear them, are the bold programming choices by EMF music director Gerard Schwarz, who marked his 15th year with the festival in 2019.   Read on . . .