User:Inthar/21edo
I (Inthar) view 21edo in two ways:
- Viewed more traditionally, it's a "color system" with traditional triadic harmony, 7edo circles of fifths, and many interesting colors for intervals.
- As a MOS system, its most interesting MOS scales are soft oneirotonic and superhard orwelloid.
Intervals
| Degree | Cents | Up/down notation | Fox-Raven 5L3s Octotonic Notation |
Category name | ||
|---|---|---|---|---|---|---|
| 0 | 0.00 | 1 | unison | C | N | |
| 1 | 57.14 | ^1 vv2 |
up unison, double-down 2nd |
^C vvD |
N#/Ob | Subminor 2nd |
| 2 | 114.29 | ^^1 v2 |
double-up unison, down 2nd |
^^C vD |
O | Minor 2nd |
| 3 | 171.43 | 2 | hepta 2nd | D | O# | Submajor 2nd |
| 4 | 228.57 | ^2 vv3 |
up 2nd, double-down 3rd |
^D vvE |
Pb | Supermajor 2nd |
| 5 | 285.71 | ^^2 v3 |
double-up 2nd, down 3rd |
^^D vE |
P | Minor 3rd |
| 6 | 342.86 | 3 | hepta 3rd | E | P#/Qb | Neutral 3rd |
| 7 | 400.00 | ^3 vv4 |
up 3rd, double-down 4th |
^E vvF |
Q | Major 3rd |
| 8 | 457.14 | ^^3 v4 |
double-up 3rd, down 4th |
^^E vF |
Q# | Naiadic; Subfourth |
| 9 | 514.29 | 4 | hepta 4th | F | Jb | Perfect 4th |
| 10 | 571.43 | ^4 vv5 |
up 4th, double-down 5th |
^F vvG |
J | Narrow Tritone |
| 11 | 628.57 | ^^4 v5 |
double-up 4th, down 5th |
^^F vG |
J# | Wide Tritone |
| 12 | 685.71 | 5 | hepta 5th | G | Kb | Perfect 5th |
| 13 | 742.86 | ^5 vv6 |
up 5th, double-down 6th |
^G vvA |
K | Superfifth |
| 14 | 800.00 | ^^5 v6 |
double-up 5th, down 6th |
^^G vA |
K#/Lb | Minor 6th |
| 15 | 857.14 | 6 | hepta 6th | A | L | Neutral 6th |
| 16 | 914.29 | ^6 vv7 |
up 6th, double-down 7th |
^A vvB |
L# | Major 6th |
| 17 | 971.43 | ^^6 v7 |
double-up 6th, down 7th |
^^A vB |
Mb | Subminor 7th |
| 18 | 1028.57 | 7 | hepta 7th | B | M | Supraminor 7th |
| 19 | 1085.71 | ^7 vv8 |
up 7th, double-down 8ve |
^B vvC |
M# | Major 7th |
| 20 | 1142.86 | ^^7 v8 |
double-up 7th, down 8ve |
^^B vC |
Nb | Supermajor 7th |
| 21 | 1200.00 | 8 | 8ve | C | N | Octave |