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Appendix
- 1/4 sc: a pure fifth narrowed by 1/4 of syntonic comma
- 1/4 pc: a pure fifth narrowed by 1/4 of pythagorean comma
Temperaments of the Cantorum Trio – Duo Plus
In addition to Equal temperament, you can play other temperaments described below.
Kirnberger II
Based on two fifths, reduced by half syntonic comma, and
one fifth reduced by a skisma. There are three pure majors:
C, G, D. Therefore, the major triads on C and G are pure.
Same goes with the minor triads, on E and B. The four
major thirds on C#, G#, Eb, Bb are Pythagorean. The
coexistence of pure and tempered chords gives a peculiar
character to this tuning.
Werckmeister III
Based on four fifths, each reduced by ¼ Pythagorean
comma – the others are pure. Creates three Pythagorean
major thirds on: C#, F#, G#. As the number of alteration in
the piece performed increases, so does the harmonic
tension.
Cantorum Trio – Duo Plus
EN - 48
Reference Manual
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