12:14:18:21: Difference between revisions
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{{Infobox Chord|12:14:18:21|Name=Swiss tetrad}} | {{Infobox Chord|12:14:18:21|Name=Swiss tetrad}} | ||
The '''swiss tetrad''' is a just 7-prime-limit, 9-odd-limit chord which is an | The '''swiss tetrad''' is a just 7-prime-limit, 9-odd-limit chord which is an [[anomalous saturated suspension]]. In close position, it is [[unison|1]]-[[7/6]]-[[3/2]]-[[7/4]] (12:14:18:21), with steps 7/6-9/7-7/6-8/7. Tempered versions of it have been called "subminor seventh chords" or "swiss sixth chords", so "swiss tetrad" splits the difference. | ||
{| class="wikitable center-all" style="column-width:10em" | {| class="wikitable center-all" style="column-width:10em" | ||
Revision as of 15:24, 12 August 2024
| Chord information |
The swiss tetrad is a just 7-prime-limit, 9-odd-limit chord which is an anomalous saturated suspension. In close position, it is 1-7/6-3/2-7/4 (12:14:18:21), with steps 7/6-9/7-7/6-8/7. Tempered versions of it have been called "subminor seventh chords" or "swiss sixth chords", so "swiss tetrad" splits the difference.
| Ratio | 1/1 | 7/6 | 3/2 | 7/4 |
|---|---|---|---|---|
| Cents | 0.00 | 266.87 | 701.96 | 968.83 |
| Sound [info] |
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