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Re: Mathematics, Prime Numbers, & Looping with the EDP



Jon Southwood wrote:

>
> Melodically, you'd probably want to reduce the ratios to within an
> octave or at least within a couple octaves. This is similar to a
> technique used by any number of composers working in Just Intonation:
> 7:1 becomes 7:4 so that it falls between 1:1 and 2:1 (or 1/1 and 2/1).
> It'd take me a lot of practice on my fretless guitar to be able to
> reliably play intervals of 13/11 or 11/7 or (gulp) 89/47. This is
> where Csound or other computer music programs become invaluable.

You could just buy a cheap hardware synth. That's how we did it in the 
old days.
Or tune the open strings of a guitar with a tuner, loop it and play 
along with the fretless.
And suddenly it's not a case of a lot of practice, but a little experience.

89/47 is 1105.373 cents. Not too far from a 1100 cent 12tet M7th.

I used to do MIDI composition that had loads of ratios and rhythms,
I stopped that when I started getting performances. I started getting 
minimal
when the performances sucked and I started performing with a guitar 
controller
and microtonal synth letting go of the rhythmic possibilities.

Tuning with ratios makes a better connection with the listener.

>-- 
>* David Beardsley
>* microtonal guitar
>* http://biink.com/db
>