The Bottomless Pit

An ambient solo for 15 edo electric guitar with effects

http://chrisvaisvil.com/the-bottomless-pit/

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Hi there, 
does anyone have resources for Paul Erlich's triple B-P scale? How to derive it, variations etc. 
I have this http://www.huygens-fokker.org/  but cannot find anything else
Any help would be most appreciated, 
Thanks, Rich 
 
Rich Duckworth
Lecturer in Music Technology
Department of Music
House 5
Trinity College
Dublin 2
Ireland
Tel 353 1 896 1500

"Digital? 
Is that the thing where they take a good old sine wave and they chop it up into little bits?" --- Rupert Neve

________________________________

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Hello Richard -
Paul would be flattered but is not the source of the scale
Wikipedia has this too
http://en.wikipedia.org/wiki/Bohlen%E2%80%93Pierce_scale
and
https://xenharmonic.wikispaces.com/Bohlen-Pierce

On 28/05/13 12:04 AM, richard duckworth wrote:
>
> Hi there,
> does anyone have resources for Paul Erlich's triple B-P scale? How to
> derive it, variations etc.
> I have this http://www.huygens-fokker.org/ but cannot find anything else
> Any help would be most appreciated,
> Thanks, Rich
>
> Rich Duckworth
> Lecturer in Music Technology
> Department of Music
> House 5
> Trinity College
> Dublin 2
> Ireland
> Tel 353 1 896 1500
>
> "Digital?
> Is that the thing where they take a good old sine wave and they chop
> it up into little bits?" --- Rupert Neve
>
> ________________________________
>
>
> [Non-text portions of this message have been removed]
>
>

--
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/^_,',',',_ //^/Kraig Grady_^_,',',',_
Mesotonal Music from:
_'''''''_ ^North/Western Hemisphere:
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_'''''''_^South/Eastern Hemisphere:
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',',',',',',',',',',',',',',',',',',',',',',',',',',',',',

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this evaporates - an island once again

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Also if you want to hear it, you can install Scala, which has it.
Or listen to one of Elaine Walker's albums:
http://ziaspace.com/_microtonality/BP/

R.

> > does anyone have resources for Paul Erlich's triple B-P scale? How to
> > derive it, variations etc.

Hi everyone, 
thanks for the links. Was au fait with most of that material, as I've implemented B-P scales in both ET & JI versions in Pure Data (i've been avoiding Scala & MIDI - no real reason other than the inevitable ties to the 12-TET piano). I've also built 2 MIDI controllers with B-P keyboard layouts: one Lambda mode and one Delta mode - this project was inspired Walker's contributions in a way as I admired her hands-on approach and 
her incorporation of popular music idioms. These controllers drive software additive synthesis instruments in Pure Data. I was planning on implementing Paul Erlich's variation and 

The Erlich implementation, if I'm not mistaken (and please jump in and set me right if I am!) 
is as follows: 

Erlich equal-tempered B-P:    (3 pow n/39) * base frequency) where n is the step number

compared with

Normal equal-tempered B-P:    (3 pow n/13) * base frequency) where n is the step number

What I am not clear about is the derivation of the Just Intonation version of this scale as shown on the http://www.huygens-fokker.org/ site

Thanks in advance for any help. 
All the best, Rich 

 
Rich Duckworth
Lecturer in Music Technology
Department of Music
House 5
Trinity College
Dublin 2
Ireland
Tel 353 1 896 1500

"Digital? 
Is that the thing where they take a good old sine wave and they chop it up into little bits?" --- Rupert Neve

________________________________
From: Rick McGowan <rick@...>
To: MakeMicroMusic@yahoogroups.com
Sent: Monday, 27 May 2013, 21:36
Subject: Re: [MMM] Paul Erlich's Bohlen Pierce scale

 
Also if you want to hear it, you can install Scala, which has it.
Or listen to one of Elaine Walker's albums:
http://ziaspace.com/_microtonality/BP/

R.

> > does anyone have resources for Paul Erlich's triple B-P scale? How to
> > derive it, variations etc.

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