RE: Erlich's 'Gentle Introduction to Fokker Periodicity Blocks' now online

Thanks for doing this, Joe!

Joe,

You inserted,

"I have been unable to find an advocate of this tuning, which Paul calls a
'famous system'."

Manuel posted to the tuning list that this was a famous system transposed by
3/2. I forget the name. Please check the archives or contact Manuel. Manuel
also gave Ramos' system, which I showed was also a Fokker periodicity block
(on the list).

> [Paul Erlich, TD 493.5]
> You inserted,
>
> "I have been unable to find an advocate of this tuning,
> which Paul calls a 'famous system'."
>
> Manuel posted to the tuning list that this was a famous
> system transposed by 3/2. I forget the name. Please check
> the archives or contact Manuel.
>
> Manuel also gave Ramos' system, which I showed was also a
> Fokker periodicity block (on the list).

> [Manuel Op de Coul, quoted by Paul in private email]
> The block you thought might be Ramis' scale in part 2 is
> in fact Ellis' Duodene.
> The block below is Marpurg's Monochord nr.1 transposed by 3/2.
>

Manuel is correct that Paul's first periodicity-block, which
I identified as a tuning system by De Caus, is identical to the
later Ellis Duodene. The webpage now says so.

Regarding the second tuning: Interesting... scanning thru
my own book when I was making this webpage, I saw right away
that the *shape* of the lattice of the Marpurg tuning matched
your periodicity block, without noticing the transposition,
and actually typed the citation to it into the webpage,
*then* realized that it was transposed, so I deleted the
citation to Marpurg and wrote that bit about 'I have been
unable to find', etc. I've decided to also add the info
about Marpurg to the webpage.
http://www.ixpres.com/interval/td/erlich/intropblock2.htm

I'd be glad to add the postings about Ramos as an appendix
to this page. Can you point me to them or send a copy?

-monz

Joseph L. Monzo Philadelphia monz@juno.com
http://www.ixpres.com/interval/monzo/homepage.html
|"...I had broken thru the lattice barrier..."|
| - Erv Wilson |
--------------------------------------------------

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