31 Equal Instruments

Hi...

I would like to correspond with anyone seriously into 31 ET - instruments made, scales, etc. - basically anything anybody's willing to share about what they're doing with it. I've been working on some ideas, but have nothing concrete to offer as yet.

Thanks,

Robin Perry

Matter is energy and energy, space.
The Nothing is something 'neath a featureless face.

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>Dave also created an "adaptive tuning" algorithm which played 12-tone
>MIDI files (of common-practice music) in 31-tET and determined the proper
>spelling of accidentals in order to reap the full benefits of an extended
>meantone.

Really?! Do you remember what it was, or the name of that thread?

-Carl

Well,here are some random scale notes i made when exploring a triangular lattice:

C# E A# C

A# B C F# G

B D- D# E# F# A- A#

F# G Ab D Eb

C D- E G- G A#

C C# Eb/E F# G A#

C D# E F# G A#

G A# B D D# E# F#

C D# E F# G A# B

C C# Eb E Ab A (Cb)C

C D D# E# G (G#) A# (B#)

D E+ F G+ A Cb (C/C+/C#)

The lattice was drawn with this QBasic program,made by me.(rename the file to .BAS to run it)
http://www.angelfire.com/mo/oljare/lattice.txt

In fact i�ve planned to promote 31-tet as a more or less informal"standard"alternative tuning system,and i got some sketches for a full orchestra piece.Finally,i�ve completed two midi files:

http://www.angelfire.com/mo/oljare/lepers.mid
http://www.angelfire.com/mo/oljare/eppel.mid

The former uses the Genus Bichromaticum 12-note set,the later is mostly major with a few 7-limit intervals.

Have a good time,there is certainly a lot to explore in 31-tet,including a lot of 12-tone harmony which can be rendered in meantone.

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Mats �ljare
Eskilstuna,Sweden
http://www.angelfire.com/mo/oljare
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--- In tuning@egroups.com, "Mats Öljare" <oljare@h...> wrote:
> In fact i´ve planned to promote 31-tet as a more or less
> informal"standard"alternative tuning system,
I wrote a message promoting 31-tET as the "standard" alternative
tuning system a few months ago. Though 22-tET may be more interesting
in some respects, it does not support ordinary Western triadic
diatonic music, while 31-tET does.

>>>Dave also created an "adaptive tuning" algorithm which played 12-tone
>>>MIDI files (of common-practice music) in 31-tET and determined the proper
>>>spelling of accidentals in order to reap the full benefits of an extended
>>>meantone.
>>
>>Really?! Do you remember what it was, or the name of that thread?
>>
>He mentioned it several times, most recently when we were discussing
>adaptive tuning with John deLaubenfels. Why don't you e-mail him?\

Dave's put up a page on his algorithm:

http://dkeenan.com/Music/AdaptiveMeantone.htm

-Carl