I made a cymatic sounder, inspired by the tradition of cymatics, or visualizing sound vibrations. People have used many different materials through the ages, but I chose salt and steel. The salt will rearrange as the steel resonates at a different frequency from a new point of contact with my cello bow.

This piece was used at the Notations 21 Music Festival in Amsterdam, Netherlands in April 2011. In one piece, the sounder was paired with an amplified drawing by artist John Kannenberg, both pieces drawing attention to the delicate balance of control/chaos. In another piece, Musician Nate Tucker interpreted the changing cymatic form into percussion. While cymatics has a long history of creating fascinating and telling visual forms, I wanted to showcase the instrument's sound in combination with forms. Listen to both at collin-mcrae.com. The piece was also shown in the International Collaborative Exhibition between Ann Arbor, Michigan, and Altea, Spain.

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