Quarter-Tone Dissertation

Example 5.11

Ivan Wyschnegradsky, Prelude No. 14, mm. 1-2

The boxed intervals are all minor fifths, although quite a few of them are spelled as fourths. For some reason, Wyschnegradsky prefers enharmonic equivalents to avoid spelling pitches with a three-quarter-flat accidental.

Collectively, the notes in the boxes make up a single tetrachord, and it is this tetrachord that I consider analogous to the tonic triad in conventional tuning.

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