[tuning-math] Re: A chord analog to Fokker blocks

  • From: "genewardsmith" <genewardsmith@xxxxxxxx>
  • To: tuning-math@xxxxxxxxxxxxxxx
  • Date: Fri, 12 Jul 2002 16:39:15 -0000

--- In tuning-math@xxxx, manuel.op.de.coul@xxxx wrote:

> From a brief look this question arose: are these chord
> analogues a subset of real periodicity blocks in some
> special way?

There's a close relationship with periodicity blocks. Pick either major or 
minor tetrads, and with those, one particular chord element--for instance the 
roots of the minor tetrads, or the major third element of the major tetrads. 
These will all individually be corresponding Fokker blocks.

> Your scale reminded me of the 4:5:6:7 double tied circular
> mirroring, but it's bigger and not a superset.

Where is the 4:5:6:7 double tied circular mirroring discussed?


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