Ivor Darreg (1917-1994) was born Kenneth Vincent Gerard O'Hara in Portland Oregon. His principal musical interest was in non-12 tone equal tempered scales and in making instruments that could play such music. All of his music is written or recorded on tape and some is available on a CD titled Detwelvulate! (de-twelv-ulate).

Related categories 7

Ivor Darreg
Brief biography and summary of major musical contributions from Frog Peak Music.
Ivor Darreg and Xenharmonics: Perfect Sound Forever
Biographical material, photograph, and details of his theories and contributions to electronic music and instruments.
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February 10, 2013 at 6:45:05 UTC
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