Music teaching device
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United States of America Patent
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Nov 8, 2016
Grant Date -
Dec 31, 2015
app pub date -
Jan 14, 2014
filing date -
Jan 16, 2013
priority date (Note) -
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Abstract
A music teaching device for the composition and reading of a score is described, of the type comprising coaxial elements assembled along a central axis and rotatable with respect thereto. Said coaxial elements are arranged according to a series of stable geometry configurations alternative to a series of geometric unstable configurations.
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