File:Keys in dozenal clock.svg

Summary

Description

The twelve keys of the octave arranged in a duodecimal clock

These are the numbers of each key (e.g. 40 for c1) mod 12.
See key numbers in Piano key frequencies (oldid).

Thin lines are minor thirds (major sixths). Thicker lines are major thirds (minor sixths).
The lines of the gray dodecagram are fifths (fourths).
Every triad is a triangle of a minor and a major third and a fifth. See e.g. File:Octave circle.svg.

The 12 keys in the octave and their key numbers
Source Own work
Author
Watchduck
You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

Category:CC-Zero#Keys%20in%20dozenal%20clock.svg
Category:Self-published work Category:MTBR; pitch classes Category:Clocks without hands Category:Clocks with Arabic numerals Category:Twelve-pointed stars Category:Chromatic circle (12-TET) Category:MTBR; mirror symmetry
Category:CC-Zero Category:Chromatic circle (12-TET) Category:Clocks with Arabic numerals Category:Clocks without hands Category:MTBR; mirror symmetry Category:MTBR; pitch classes Category:Self-published work Category:Twelve-pointed stars