Distributional evenness: Difference between revisions
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A scale is '''distributionally even''' ('''DE''') if it has [[maximum variety]] 2; that is, each generic interval class ("seconds", "thirds", and so on) contains no more than two specific intervals. | A scale is '''distributionally even''' ('''DE''') if it has [[maximum variety]] 2; that is, each generic interval class ("seconds", "thirds", and so on) contains no more than two specific intervals. | ||
In practice, such scales are often referred to as "[[MOS scale]]s", but some consider this usage to be technically incorrect because a MOS as defined by [[Erv Wilson]] was to have ''exactly'' two specific intervals for each class other than multiples of the octave. When Wilson discovered MOS scales and found numerous examples, DE scales with period a fraction of an octave such as [[pajara]], [[ | In practice, such scales are often referred to as "[[MOS scale]]s", but some consider this usage to be technically incorrect because a MOS as defined by [[Erv Wilson]] was to have ''exactly'' two specific intervals for each class other than multiples of the octave. When Wilson discovered MOS scales and found numerous examples, DE scales with period a fraction of an octave such as [[pajara]], [[augmented]], [[diminished]], etc. were not among them. | ||
[[Category:Scale]] | [[Category:Terms]] | ||
[[Category:Scale theory]] | |||