This six-page article is the first of a three part series on “Relaxation and Resonance”, which also includes “Trombone Slide Motion, An Alternate Position” RELAXATION AND RESONANCE PART I https://davidbrubeck.com/2013/03/trombone-slide-motion-an-alternate-position-reprint-from-the-journal-of-the-international-trombone-association/ and “A Sumo and a Loaf of Bread? Brass Articulation”-RELAXATION AND RESONANCE part III https://davidbrubeck.com/2013/03/brass-articulation-a-sumo-with-a-loaf-of-bread/
