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Expansion and Contraction

Keith Ozsvath • Playing Tips • May 8, 2019

I like to use a Hoberman sphere ( as a tool to show my students how to play effective dynamics.

The expansion and contraction of the sphere is a fantastic visual that helps the students to play with contrast. It works best with crescendos and diminuendos. It is also a great way to reinforce correct breathing by expanding the sphere as the students take a deep breath.

Keith Ozsvath

Rotolo Middle School

Batavia Illinois

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