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General Interest:Digital Art

Tonality Circles by Jing Li

Musical notes and their arrangement in a score are reminiscent of sequences of numbers. Harmony in particular can be analysed by the computer because it is mostly defined by intervals between neighboring notes, which correspond to intervals between numbers. The picture shows the interface to program Li wrote during Summer Institute, 1993 which graphically depicts the harmonies in a piece of music as it is playing. The algorithm is described in the Summer Institute 1993 reports.

Image created: summer, 1993

[Tonality Circles]

Copyright © summer, 1993 by The Geometry Center, Univerity of Minnesota. All rights reserved.
For permission to use this image, contact permission@geom.umn.edu.

External viewing: small (100x100 3k gif), medium (500x543 30k gif), or original size (388x421 19k tiff).

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Created: Sat May 22 23:17:49 CDT 1999 --- Last modified: Sat May 22 23:17:49 CDT 1999