Jonathan Holtfreter (BM ’74, MM ’80, music education) has patented orthopedic devices for the trombone, euphonium, and horn available at his website TromboneSpineSaver.com. His published works, including Music Study Cycles Handbook, The Rhythm Study, Gradients of Diatonic Consonance and Dissonance, and Diatonic Modes Drills are available at musicstudycycles.com. (Spring 2026)