Erv Wilson

Ervin Wilson (born June 11, 1928 in Chihuahua, Mexico) is a Mexican/American (dual citizen) music theorist.

Early life

Ervin Wilson was born in a remote area of northwest Chihuahua, Mexico, where he lived until the age of fifteen. His mother taught him to play the reed organ and to read musical notation. He began to compose at an early age, but immediately discovered that some of the sounds he was hearing mentally could not be reproduced by the conventional intervals of the organ. As a teenager he began to read books on Indian music, developing an interest in concepts of raga. While he was in the Air Force in Japan, a chance meeting with a total stranger introduced him to musical harmonics, which changed the course of his life and work. Influenced by the work of Joseph Yasser, Mr. Wilson began to think of the musical scale as a living process—like a crystal or plant. He has been mentor to many composers and instrument builders.


Despite his avoidance of academia, Wilson has been influential on those interested in microtonal music and just intonation, especially in the areas of scale, keyboard, and notation design. Among his developments are Moments of Symmetry,[1][2] Combination Product Sets,[3] Golden Horograms, scales based on recurrence relations (scales of "Mt. Meru"), and mapping scales to the generalized keyboard. He cites Augusto Novaro and Joseph Yasser as influences. Wilson built instruments and explored the resources of 31 and 41 equal divisions of the octave. He supported the work of Harry Partch and helped to build the Quadrangularis Reversum.[4] Wilson drew many of the diagrams found in Partch's book 'Genesis of a Music'.

The goal of his research with scales is to make them musically accessible to the composer and the listener. "I sculpt in the architecture of the scale. Other people come along and animate it."

Musicians influenced by Wilson


  1. Chalmers, John (1975). "Cyclic Scales". Xenharmonikôn. 4: 69–78.
  2. Wilson, Erv (1975), Letter to John Chalmers re "the basic structure of moments of symmetry."
  3. Wilson, Erv (1986). "The Marwa Permutations". Xenharmonikôn. 9: 1–38.
  4. Gilmore 1998, p. 330.
  5. "Microtones and Macchiatos in Eagle Rock".

External links

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