User:ResonantFrequencies/List of named chords: Difference between revisions
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==Triads== | ==Triads== | ||
{| class="wikitable" | {| class="wikitable" | ||
|+ | |+ | ||
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!Name | !Name | ||
|- | |- | ||
|2:3:4 | |2:3:4 || [[wikipedia:Power chord|Power chord]] / Fifth chord | ||
|[[ | |||
|- | |- | ||
| | |3:5:7 || "major triad of the Bohlen–Pierce scale" | ||
| | |||
|- | |- | ||
| | |4:5:6 || [[wikipedia:Major chord|Major chord]] | ||
| | |- | ||
|5:6:7 || Perfect diminished chord | |||
|- | |||
|6:7:9 || "The lowest numbers producing a minor triad in the harmonic series (McIntyre 2002)" | |||
|- | |||
|6:8:9 || [[wikipedia:Suspended fourth chord|Suspended fourth chord]] | |||
|- | |||
|8:9:12 || [[wikipedia:Suspended second chord|Suspended second chord]] | |||
|- | |||
|10:12:15 || [[wikipedia:Minor chord|Minor chord]] "the first occurrence of a minor triad in the harmonic series" | |||
|- | |||
|16:19:24 || False minor triad? | |||
|- | |||
|16:20:25 || [[wikipedia:Augmented triad|Augmented triad]] | |||
|- | |||
|27:32:40 || Supertonic triad? | |||
|- | |||
|45:54:64 || [[wikipedia:Diminished triad|Diminished triad]] | |||
|- | |||
|54:64:243 || Pythagorean minor triad | |||
|- | |||
|64:81:96 || Pythagorean minor triad | |||
|} | |} | ||
==Tetrads== | ==Tetrads== | ||
{| class="wikitable" | |||
3:5:9:15 | !Ratios | ||
3:7:9:21 | !Name | ||
4:5:6:7 | |- | ||
4:5:6:18 | | 3:5:7:9 || "the primary tetrad in the Bohlen-Pierce tuning system" | ||
5:6:7:9 | |- | ||
8:9:10:12 | | 3:5:9:15 || "anomalous saturated suspension" http://x31eq.com/ass.htm | ||
8:10:12:15 | |- | ||
10:12:15:18 | | 3:7:9:21 || "[[anomalous saturated suspension]]" | ||
12:16:17:18 | |- | ||
20:25:30:36 | | 4:5:6:7 || harmonic seventh chord | ||
25:30:36:45 | |- | ||
40:48:60:75 | | 4:5:6:18 || major seventh chord | ||
80:100:125:144 augmented seventh chord | |- | ||
| 5:6:7:9 || half-diminished seventh | |||
|- | |||
| 8:9:10:12 || mu major chord | |||
|- | |||
| 8:10:12:15 || major/major seventh chord | |||
|- | |||
| 10:12:15:18 || minor seventh | |||
|- | |||
| 12:16:17:18 || dream chord | |||
|- | |||
| 20:25:30:36 || dominant seventh chord | |||
|- | |||
| 25:30:36:45 || half-diminished seventh | |||
|- | |||
| 40:48:60:75 || minor/major seventh chord | |||
|- | |||
| 80:100:125:144 || augmented seventh chord | |||
|} | |||
==Pentads== | ==Pentads== | ||
{| class="wikitable" | |||
8:10:12:14:17 Dominant minor ninth chord | !Ratios | ||
20:25:30:36:48 Dominant seventh sharp ninth chord | !Name | ||
|- | |||
| 4:5:6:7:9 || Dominant ninth chord | |||
|- | |||
| 8:10:12:14:17 || Dominant minor ninth chord | |||
|- | |||
| 20:25:30:36:48 || Dominant seventh sharp ninth chord | |||
|} | |||
==Hexads== | ==Hexads== | ||