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Re: 13th chord?
From: |
Thomas Morley |
Subject: |
Re: 13th chord? |
Date: |
Sun, 26 Feb 2017 02:17:37 +0100 |
2017-02-26 1:53 GMT+01:00 David Kastrup <address@hidden>:
> Thomas Morley <address@hidden> writes:
>
>> Well,
>> the printed output of
>>
>> m =
>> \chordmode {
>> <c' e' g' bes' d'' f'' a''>
>> c:11.13
>> %% unnecessarily verbose:
>> c:1.3.5.7.9.11.13
>> }
>>
>> mII =
>> \chordmode {
>> <c' e' g' bes' d'' a''>
>> c:13
>> %% unnecessarily verbose:
>> c:1.3.5.7.9.13
>> }
>>
>> <<
>> \new ChordNames { \m \mII }
>> \new Staff { \m \mII }
>>>>
>>
>> looks perfectly fine to me.
>
> The printed output for all of the first is C13 (so we have c:11.13 ->
> C13). The printed output for all of the second is C9 13 (so we have
> c:13 -> C9 13).
>
> As a user interface, that's peculiar. The question is why we have
> different defaults for input and output of chords.
The most common use-case for a 13-chord is to _omit_ the 11th, so we
make an exception for it. And it's even documented:
NR Extended and altered chords
"Since an unaltered 11 does not sound good when combined with an
unaltered 13, the 11 is removed from a :13 chord (unless it is added
explicitly)."
and
NR A.2 Common chord modifiers
Dominant thirteenth Dominant ninth, major thirteenth c1:13 <image>
Dominant thirteenth Dominant eleventh, major thirteenth 13.11
c1:13.11 <image>
>
>> Obviously it's _me_ not understanding the issue.
>
> Does this make it clearer?
You explained the issue sufficiently, thanks!
Though, as said before, it's a design-decision and ofcourse we could
do it the other way round, i.e.:
c:13 -> c 13
c:13^11 -> c 9 13
but no bug.
Cheers,
Harm
- Re: 13th chord?, (continued)
- Re: 13th chord?, mskala, 2017/02/26
- Re: 13th chord?, Anthony Youngman, 2017/02/26
- Re: 13th chord?, Anthony Youngman, 2017/02/26
- Re: 13th chord?, mskala, 2017/02/26
- Re: 13th chord?, Wols Lists, 2017/02/26
- Re: 13th chord?, mskala, 2017/02/26
- Re: 13th chord?, Wols Lists, 2017/02/26
- Re: 13th chord?, mskala, 2017/02/26
- Re: 13th chord?, Wols Lists, 2017/02/26
- Re: 13th chord?, David Kastrup, 2017/02/25
- Re: 13th chord?,
Thomas Morley <=
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