| 31 tone equal temperament.
You can find more information about 31 tone ET here.
Click here to see a 31 tone guitar. |  |
| Dante Rosati retro-fretted an old classical into a great 21 tone guitar.
The music he plays on this guitar is beautiful.
You can read Dante's description of how he fretted this guitar
here.
From his description I have created an approximate design of his guitar with FretFind. |  |
| A very very approximate design of a
Charlie Hunter 8-String. |  |
| And just for kicks, that same very very approximate design using a 12 tone pythagorean scale in E. |  |
FretFind 2-D