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Re: turkish accidental "eksik bakiye" missing in emmentaler font

From: Keith OHara
Subject: Re: turkish accidental "eksik bakiye" missing in emmentaler font
Date: Wed, 27 Nov 2013 18:54:58 -0800
User-agent: Opera Mail/12.16 (Win32)

Philippe Ploquin <philippeploquin <at> neuf.fr> writes:
The accidental called "eksik bakiye" is missing in lilypond.

On Wed, 27 Nov 2013 12:08:02 -0800, Hans Aberg <address@hidden> wrote:

In the Ph.D. thesis by Ozan Yarman, "79-tone tuning & theory for Turkish maqam music", p. 
90 (PDF 106), he mentions the “eksik bakiye” or "diminished limma" of AEU. Looking a bit 
further in the tables, AEU apparently uses Pythagorean limit only, that is 3-limit, and not 5-limit.

So it should be a Pythagorean comma, it seems, though in E53 approximations, 
the values become the same.

I see.  This thesis has the 'eksik bakiye' altering the frequency of the pitch 
by a fraction 3^17 / 2^27.  That would seem to be motivated by mathematics 
rather than traditional harmony.  There is not one example in that thesis of 
its use in music, so it must be very rare.

Since 'makam.ly' has the flat of the same size, it makes sense to have the 
sharp just in case transpose.

Also, the same glyph is used in Sabat's version of Helmholtz-Ellis notation, so 
it seems generally useful.

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