Didymic chords: Difference between revisions
Only starling is possible |
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== Septimal meantone chords == | == Septimal meantone chords == | ||
Since [[81/80]] is tempered out, didymic chords are septimal meantone chords. Since [[126/125]] | Since [[81/80]] is tempered out, didymic chords are septimal meantone chords. Since [[126/125]] and [[225/224]] are tempered out, [[starling chords|starling]] and [[marvel chords]] are also septimal meantone chords. There are also septimal meantone chords which are none of these, the essentially '''septimal meantone chords'''. | ||
The basic form of these chords are pentads, with a unique palindromic chord and a pair of chords in inverse relationship: | The basic form of these chords are pentads, with a unique palindromic chord and a pair of chords in inverse relationship: | ||
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== External links == | == External links == | ||
* [https://youtu.be/TYhPAbsIqA8 Adam Neely - Benedetti's Puzzle (mathematically impossible music)] | * [https://youtu.be/TYhPAbsIqA8 Adam Neely - Benedetti's Puzzle (mathematically impossible music)] – A video explanation of the chord in terms of a [[comma pump]] | ||
[[Category:9-odd-limit chords]] | [[Category:9-odd-limit chords]] | ||