Aureusmic chords: Difference between revisions

From Xenharmonic Wiki
Jump to navigation Jump to search
Created page with "'''Aureusmic chords''' are essentially tempered dyadic chords tempered by the aureusma, 1445/1444. The aureusmic triad in the 2.5.17.19 subgroup 19-odd-limit is a pa..."
 
mNo edit summary
Line 1: Line 1:
'''Aureusmic chords''' are [[essentially tempered dyadic chord]]s tempered by the aureusma, [[1445/1444]].  
'''Aureusmic chords''' are [[essentially tempered dyadic chord]]s tempered by the aureusma, [[1445/1444]].  


The aureusmic triad in the 2.5.17.19 subgroup 19-odd-limit is a palindrome since it identifies 5/4 by a stack of two 19/17's:  
The aureusmic triad is a palindrome in the 2.5.17.19 [[subgroup]] [[19-odd-limit]] since it identifies 5/4 by a stack of two 19/17's:  
* 1-19/17-5/4 with steps 19/17-19/17-8/5.  
* 1-19/17-5/4 with steps 19/17-19/17-8/5.  


Line 14: Line 14:
* 1-20/19-19/17-20/17-5/4 with steps 20/19-17/16-20/19-17/16-8/5.  
* 1-20/19-19/17-20/17-5/4 with steps 20/19-17/16-20/19-17/16-8/5.  


[[Category:19-odd-limit]]
[[Category:Essentially tempered chords]]
[[Category:Essentially tempered chords]]
[[Category:Triad]]
[[Category:Triad]]

Revision as of 11:11, 11 May 2023

Aureusmic chords are essentially tempered dyadic chords tempered by the aureusma, 1445/1444.

The aureusmic triad is a palindrome in the 2.5.17.19 subgroup 19-odd-limit since it identifies 5/4 by a stack of two 19/17's:

  • 1-19/17-5/4 with steps 19/17-19/17-8/5.

It can be extended to the following inversely related tetrads, all of which seem to be based largely on a sort of secundal harmony:

  • 1-19/17-19/16-5/4 with steps 19/17-17/16-20/19-8/5, and its inverse
  • 1-20/19-19/17-5/4 with steps 20/19-17/16-19/17-8/5.
  • 1-19/17-20/17-5/4 with steps 19/17-20/19-17/16-8/5, and its inverse
  • 1-17/16-19/17-5/4 with steps 17/16-20/19-19/17-8/5.

Then there are two inversely related pentads:

  • 1-17/16-19/17-19/16-5/4 with steps 17/16-20/19-17/16-20/19-8/5, and its inverse
  • 1-20/19-19/17-20/17-5/4 with steps 20/19-17/16-20/19-17/16-8/5.