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• 19:53, 30 May 2026 Vector talk contribs created page Tertian structure (Created page with "'''Tertian structure''' is the relative spacing of the thirds in a tempered tuning system, such as an equal temperament. In general, it usually refers to the spacing of the 7-limit color-quality thirds 7/6, 6/5, 5/4, and 9/7, which can be expressed as the relative size of 25/24 and 36/35. Other thirds like 19/16, 19/15, or 11/9 may be invoked to describe more complex structures. Common rank-3 temperaments can be expressed as tertian structures. These are mint...") Tag: Visual edit