I hope you'll take time to read the following article from the latest issue of SYMPHONY magazine:
https://americanorchestras.org/images/stories/symphony_magazine/fall_2019/Head-of-the-Class.pdf?utm_source=MagnetMail&utm_medium=email&utm_term=mark.gibson@uc.edu&utm_content=SYMP Fall Symphony email 10.29&utm_campaign=Fall Issue of Symphony magazine
Enjoy!