back to list

Re: MOS, Constant Structures

🔗Kris Peck <kpeck@xxxxxxxx.xxxx>

8/9/1999 4:00:53 PM

In a way the use of JI structures to produce MOS scales does seem a bit
arbitrary. The intervals in the resulting scales could vary a lot and
would really be more than two actual step sizes in most cases. I'm sure
most of the scales probably sound fine, but it seems they would be much
more loosely defined than their ET analogs. Although I suppose the
constraints of the CS definition would help to define the resulting MOS...

Is there any defined algorithm for generating a CS, or determining how many
pitches are required to complete a CS from a given set of pitches? (e.g. a
Diamond or CPS)

kp

🔗Kraig Grady <kraiggrady@xxxxxxxxx.xxxx>

8/9/1999 6:49:14 PM

Kris Peck wrote:

> Is there any defined algorithm for generating a CS, or determining how many
> pitches are required to complete a CS from a given set of pitches? (e.g. a
> Diamond or CPS)

This is the point where Art takes over from math.(Thank God something is left
for art to do!) A fun excersise in to take the Partch 11 limit Diamond and
place it on a 41 tone keyboard (realizing you are going to have 2 places
where pitches will fall upon each other) Then fill in the gaps without
remembering Harrys scale. I learned alot about how Harry thought by this one
because I filled it out differently. Wilson has come up with a 19-tone
exspansion of My tuning, Centaur. Rod Poole came up with a different one, then
a 22, then a 17, and then changed some of the Parent Pitches of Centaur.
What JI's have you been using out of curiosity?

-- Kraig Grady
North American Embassy of Anaphoria Island
http://www.anaphoria.com