"Jeff is a well-prepared and organized teacher. He knows precisely what he wishes to cover and indicates that to the students clearly. Jeff is genuinely interested in the progress of his students. His energy is infectious and he is constantly encouraging to succeed. He provides constructive criticism with patience, kindness, and humor."

---Mark D. Williams, Minden, NV

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" Dr. Tilley has a wide range of talents and abilities. Besides his conducting skills, he is an accomplished singer and pianist. He does a very commendable job in vocal teaching as well as the other instruments."

---Dr. Byron McGilvray, Athens, TX , Emeritus Professor, San Francisco State University, San Francisco, CA