User:ResonantFrequencies/List of named chords: Difference between revisions
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==Tetrads== | ==Tetrads== | ||
{| | {| class="wikitable" | ||
!Ratios | |||
!Name | |||
|- | |||
| 3:5:7:9 || "the primary tetrad in the Bohlen-Pierce tuning system" | | 3:5:7:9 || "the primary tetrad in the Bohlen-Pierce tuning system" | ||
|- | |- | ||
| 3:5:9:15 || "anomalous saturated suspension" http://x31eq.com/ass.htm | | 3:5:9:15 || "anomalous saturated suspension" http://x31eq.com/ass.htm | ||
|- | |- | ||
| 3:7:9:21 || "anomalous saturated suspension" | | 3:7:9:21 || "[[anomalous saturated suspension]]" | ||
|- | |- | ||
| 4:5:6:7 || harmonic seventh chord | | 4:5:6:7 || harmonic seventh chord | ||
| Line 67: | Line 70: | ||
==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== | ||
Latest revision as of 02:46, 2 July 2019
Triads
| Ratios | Name |
|---|---|
| 2:3:4 | Power chord / Fifth chord |
| 3:5:7 | "major triad of the Bohlen–Pierce scale" |
| 4:5:6 | 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 | Suspended fourth chord |
| 8:9:12 | Suspended second chord |
| 10:12:15 | Minor chord "the first occurrence of a minor triad in the harmonic series" |
| 16:19:24 | False minor triad? |
| 16:20:25 | Augmented triad |
| 27:32:40 | Supertonic triad? |
| 45:54:64 | Diminished triad |
| 54:64:243 | Pythagorean minor triad |
| 64:81:96 | Pythagorean minor triad |
Tetrads
| Ratios | Name |
|---|---|
| 3:5:7:9 | "the primary tetrad in the Bohlen-Pierce tuning system" |
| 3:5:9:15 | "anomalous saturated suspension" http://x31eq.com/ass.htm |
| 3:7:9:21 | "anomalous saturated suspension" |
| 4:5:6:7 | harmonic seventh chord |
| 4:5:6:18 | major 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
| Ratios | 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 |