Alpharabian tuning: Difference between revisions
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The following rules are directly derived from the above premises: | The following rules are directly derived from the above premises: | ||
* Generally, intervals that result from the modification of a Pythagorean interval by 33/32 take either the 'ultra' or 'infra' prefixes, however, there are a number of special cases... | * Generally, intervals that result from the modification of a Pythagorean interval by 33/32 take either the 'ultra' or 'infra' prefixes- for example [[891/512]], which is the Alpharabian Ultramajor Sixth, and 512/297, which is the Alpharabian Inframinor Seventh- however, there are a number of special cases... | ||
:* Augmentation of a Perfect Fourth or Perfect Fifth by 33/32 results in a Paramajor interval | :* Augmentation of a Perfect Fourth or Perfect Fifth by 33/32 results in a Paramajor interval | ||
:* Dimunition of a Perfect Fourth or Perfect Fifth by 33/32 results in a Paraminor interval | :* Dimunition of a Perfect Fourth or Perfect Fifth by 33/32 results in a Paraminor interval | ||