31edo solfege: Difference between revisions

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Indeed, if we consider the subminor chord, and write it with D# for the second note and A# for the seventh harmonic, we get the following chords:
Indeed, if we consider the subminor chord, and write it with D# for the second note and A# for the seventh harmonic, we get the following chords:


<ul><li>C / D# / G / A#</li><li>C# / Dx / G# / Ax</li><li>Db / E / Ab / B</li><li>D / E# / A / B#</li></ul>
*C / D# / G / A#
*C# / Dx / G# / Ax
*Db / E / Ab / B
*D / E# / A / B#</li></ul>


So, as in 12-ET, we have the equation C# ~ Db and E# ~ F, in 31-ET, we have C# ≠ Db and E# ≠ F but we have:
So, as in 12-ET, we have the equation C# ~ Db and E# ~ F, in 31-ET, we have C# ≠ Db and E# ≠ F but we have:


<ul><li>Cx = Dd</li><li>C+ = Dbb</li><li>E# = Fd</li><li>E+ = Fb</li><li>Ex = F+</li><li>Ed = Fbb</li></ul>
*Cx = Dd
*C+ = Dbb
*E# = Fd
*E+ = Fb
*Ex = F+
*Ed = Fbb


It is not necessary to learn all by heart. Simply that there are 5 degrees in a tone, and 3 degrees in a diatonic semitone. So going from one note name to another name is always an odd difference of degrees. If the change is even, it can be written as sharp and flat.
It is not necessary to learn all by heart. Simply that there are 5 degrees in a tone, and 3 degrees in a diatonic semitone. So going from one note name to another name is always an odd difference of degrees. If the change is even, it can be written as sharp and flat.