Helmholtz pitch notation is a musical system for naming notes of the Western chromatic scale.

Strange things can happen in the spaces between the steps of the Western chromatic scale.

The standard Western chromatic scale has twelve equidistant semitones.

At a 7:4 ratio, it is not close to any interval on the conventional Western diatonic scale.

The number of notes in the traditional Western diatonic scale (major or minor)

She uses not only traditional Western scales but other modes and more closely tuned intervals.

The Western chromatic scale, for example, is composed of twelve monads.

It is similar to the Western natural minor scale.

Thus, the instrument is capable of playing the 12 notes of the Western chromatic scale.

The pitches correspond to actual notes on the Western musical scale.