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Re: Why don't we get rid of \chordmode?


From: David Kastrup
Subject: Re: Why don't we get rid of \chordmode?
Date: Thu, 29 Apr 2010 23:14:43 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Carl Sorensen <address@hidden> writes:

> On 4/29/10 2:42 PM, "Graham Percival" <address@hidden> wrote:
>
>> On Thu, Apr 29, 2010 at 08:55:13AM -0600, Carl Sorensen wrote:
>>> But we'll need to be sure it handles things like
>>> 
>>> c\chord #'(1 3- 5-)
>> 
>> Hmm.  Might we need
>>   c\chord #'(1 3++ 7--)
>> ?  I'm not prepared to claim that there's no theory of chords that
>> includes doubly-augmented intervals relative to the base note.
>
> There is at least one common chord that uses doubly altered steps: the
> dim7 chord, which uses a double-flatted 7th., along with a minor thrd
> and a diminished fifth.  So yes, we do need to allow at least --.  I
> don't think we need to go more than two deep on the modifiers, do we?

dim7 is double flatted with regard to the major scale, not with regard
to the normal chord 7 (which is flat already).

-- 
David Kastrup





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