Musical experiments in 19-EDO and 31-EDO

Hello people.

I just uploaded an archive with a couple of pieces I wrote as an experiment with microabc:

http://br.geocities.com/hfmlacerda/abc/neochrom.zip

============
Neo-Old (19) is a four-parts neotonal menuet in 19-EDO.
============

It was written by using tkabc (http://moinejf.free.fr) as GUI front-end to insert the notes. The ABC code generated was processed with microabc, abc2alias (a new program of mine), abc2midi and abcm2ps. The score uses the standard accidentals bb, b, natural, # and x.

===========
Chroma (31) is a short meditation in 31-EDO.
===========

I used the same programs (microabc, abc2alias, abc2midi, abcm2ps), except tkabc. The accidentals are the Tartini-Couper set, which is built in abcm2ps. It is interesting that, in a chordal context, the intervals of 31-EDO are just noticeable, and allows very subtile transitions between the chords. For instance, listen to this piece following the score, and pay attention to the pitches F F> F# at the begining and at the end.

Cheers,
Hudson

P.S.: To play the MIDI files, disable Pseudo Reverb; with timidity, this can do:

timidity -R9 --reverb=d --reverb=g,40 file.mid

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Hudson!

My goodness, now we're talking. Is this the first music
you've posted here, or have I been missing out. New-Old
blows my mind! What great-looking output too. A real gem
among very interesting works here on MMM.

-Carl

>Hello people.
>
>I just uploaded an archive with a couple of pieces I wrote as an
>experiment with microabc:
>
>http://br.geocities.com/hfmlacerda/abc/neochrom.zip
>
>============
>Neo-Old (19) is a four-parts neotonal menuet in 19-EDO.
>============
>
>It was written by using tkabc (http://moinejf.free.fr) as GUI front-end
>to insert the notes. The ABC code generated was processed with microabc,
>abc2alias (a new program of mine), abc2midi and abcm2ps. The score uses
>the standard accidentals bb, b, natural, # and x.

> Hudson!
>
> My goodness, now we're talking.

I agree.

In the 31 chords, maybe it would have been nice to hear more larger
movement (like when a voice is added on the top it's very nice) in
order to complement the smaller movement; similar to the Greek
enharmonic that mixes quarter-ish tones with major thirds.

And thanks for pasting the timidity command line, it saved me from
having to figure it out myself ;)

-Chris

Carl Lumma escreveu:
> Hudson!
> > My goodness, now we're talking. Is this the first music
> you've posted here, or have I been missing out. New-Old
> blows my mind! What great-looking output too. A real gem
> among very interesting works here on MMM.
> > -Carl
> Thanks, Carl.

Actually, my only musical posts before that were an improvisation in 99-EDO to ilustrate some topics I was discussing with Yahya, and a (unfinished) score of a quarter-tone piece for clarinet and guitar which I used as microabc example some months ago. The 99-EDO improvisation could be used as basis for a composition, and, about the clarinet and guitar pieces (they are two), they cannot be emulated in MIDI, due to subtleties on timbre.

And, yes, Chris Bryan is correct about Chroma (31). It is an unfinished piece because it was not started. :-) I could wait until to have a complete movement, but since I found that ``excerpt'' was sounding interesting, I decided to show it as is currently. Later on I can develop it, adding more events and a harmonic elaboration.

Cheers,
Hudson

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Hi Hudson,

--- In MakeMicroMusic@yahoogroups.com, Hudson Lacerda wrote:
>
> Hello people.
>
> I just uploaded an archive with a couple of pieces I wrote as an
> experiment with microabc:
>
> http://br.geocities.com/hfmlacerda/abc/neochrom.zip

Heart attack!!! I doubleclicked musicmid1.mid, which started playing
in WinAmp on my keyboard at, I think, MIDI volume 127. Please don't
frighten me like that again! ... Perhaps you could normalise the
output a little before posting? I'd import them into some other
program and fiddle with the levels, but that might destroy some tuning
subtleties.

Clicking on, I enjoyed the sonorities in the third mid file - but I
can't relate the three files to the two names you discussed, except to
guess 1 = New, 2 = Old, 3 = Chroma?

Regards,
Yahya

Hi Hudson,

--- In MakeMicroMusic@yahoogroups.com, Hudson Lacerda wrote:
>
> Hello people.
>
> I just uploaded an archive with a couple of pieces I wrote as an
> experiment with microabc:
>
> http://br.geocities.com/hfmlacerda/abc/neochrom.zip

Heart attack!!! I doubleclicked musicmid1.mid, which started playing
in WinAmp on my keyboard at, I think, MIDI volume 127. Please don't
frighten me like that again! ... Perhaps you could normalise the
output a little before posting? I'd import them into some other
program and fiddle with the levels, but that might destroy some tuning
subtleties.

Clicking on, I enjoyed the sonorities in the third mid file - but I
can't relate the three files to the two names you discussed, except to
guess 1 = New, 2 = Old, 3 = Chroma?

Regards,
Yahya

yahya_melb escreveu:
> Hi Hudson,

Hi Yayha.

> > --- In MakeMicroMusic@yahoogroups.com, Hudson Lacerda wrote:
> >>Hello people.
>>
>>I just uploaded an archive with a couple of pieces I wrote as an >>experiment with microabc:
>>
>>http://br.geocities.com/hfmlacerda/abc/neochrom.zip
> > > Heart attack!!! I doubleclicked musicmid1.mid, which started playing > in WinAmp on my keyboard at, I think, MIDI volume 127. Please don't > frighten me like that again! ... Perhaps you could normalise the > output a little before posting? I'd import them into some other > program and fiddle with the levels, but that might destroy some tuning > subtleties.

Those MIDI amplitudes sounds fine (and even soft) here -- much softer than most audio files I have got. But the velocity values are high indeed: from 85 to 120. BTW, doesn't your MIDI player have any volume control so that you would need modify the files with another program?

> > Clicking on, I enjoyed the sonorities in the third mid file - but I > can't relate the three files to the two names you discussed, except to > guess 1 = New, 2 = Old, 3 = Chroma?

I just suppose that people would check the scores. They are two pieces: Neo-Old(19) (musicmid1.mid) and Chroma(31) (musicmid3.mid), and a test file with a few 19-EDO chords (musicmid2.mid).

> > Regards,
> Yahya

Cheers,
Hudson

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Uploaded a revised version with better filenames.
(Velocities unchanged though).

http://br.geocities.com/hfmlacerda/abc/neochrom.zip

Regards,
Hudson

yahya_melb wrote:
> Clicking on, I enjoyed the sonorities in the third mid file - but I > can't relate the three files to the two names you discussed, except to > guess 1 = New, 2 = Old, 3 = Chroma?

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