Glossary of scale properties: Difference between revisions
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==Properties:== | ==Properties:== | ||
**Constant Structure:** A scale has constant structure if all Intervals of the same size are also within the same Generic Interval class. A single interval cannot be a part of two classes however. The 12-tone diatonic scale does not have this property, since tritones can either be augmented fourths or diminished fifths. | **Constant Structure:** A scale has constant structure if all Intervals of the same size are also within the same Generic Interval class. A single interval cannot be a part of two classes however. The 12-tone diatonic scale does not have this property, since tritones can either be augmented fourths or diminished fifths. This is referred to as the //partitioning property// in most academia literature. | ||
**Propriety:** A scale is proper if there is no overlapping of Generic Interval Classes. This means that no third is larger than a fourth, no fourth is larger than a fifth, etc... | **Propriety:** A scale is proper if there is no overlapping of Generic Interval Classes. This means that no third is larger than a fourth, no fourth is larger than a fifth, etc... | ||
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<strong>Constant Structure:</strong> A scale has constant structure if all Intervals of the same size are also within the same Generic Interval class. A single interval cannot be a part of two classes however. The 12-tone diatonic scale does not have this property, since tritones can either be augmented fourths or diminished fifths.<br /> | <strong>Constant Structure:</strong> A scale has constant structure if all Intervals of the same size are also within the same Generic Interval class. A single interval cannot be a part of two classes however. The 12-tone diatonic scale does not have this property, since tritones can either be augmented fourths or diminished fifths. This is referred to as the <em>partitioning property</em> in most academia literature.<br /> | ||
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<strong>Propriety:</strong> A scale is proper if there is no overlapping of Generic Interval Classes. This means that no third is larger than a fourth, no fourth is larger than a fifth, etc...<br /> | <strong>Propriety:</strong> A scale is proper if there is no overlapping of Generic Interval Classes. This means that no third is larger than a fourth, no fourth is larger than a fifth, etc...<br /> | ||