Re: Any way to get "optional" chords?

[Robin Bannister]

On 01.12.2016 01:14, Don Gingrich wrote:

I'd be happy to have brackets, parentheses,



See also this thread from a month ago

http://lists.gnu.org/archive/html/lilypond-user/2016-10/msg00565.html


Cheers,
Robin

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Re: Any way to get "optional" chords?

[Flaming Hakama by Elaine]

> One problem that I'm currently encountering is dealing with optional
> chords. (The chord letters above the staff for guitar players.) These
> are generally shown in either parentheses or square brackets. Is there
> a way to handle several arbitrary chord names  differently on a score?
> By this I mean, for example, just this D, but not the others.
>


Here is a solution from the german forum
http://www.lilypondforum.de/index.php?action=profile;area=showposts;u=54

There is a \paren command for a single chord, and the pair of \leftParen
\rightParen for multiple chords.  Note that the right paren command comes
before the last chord.


\version "2.19.15"

#(define (parenthesis-ignatzek-chord-names in-pitches bass inversion
context)
(markup #:line ( "(" (ignatzek-chord-names in-pitches bass inversion
context) ")" )))

#(define (left-parenthesis-ignatzek-chord-names in-pitches bass inversion
context)
(markup #:line ( "(" (ignatzek-chord-names in-pitches bass inversion
context) )))

#(define (right-parenthesis-ignatzek-chord-names in-pitches bass inversion
context)
(markup #:line ( (ignatzek-chord-names in-pitches bass inversion context)
")" )))

paren = #(define-music-function (parser location griffe) (ly:music?)
#{
\set chordNameFunction = #parenthesis-ignatzek-chord-names
$griffe
\set chordNameFunction = #ignatzek-chord-names
#})

leftParen = #(define-music-function (parser location griffe) (ly:music?)
#{
\set chordNameFunction = #left-parenthesis-ignatzek-chord-names
$griffe
\set chordNameFunction = #ignatzek-chord-names
#})

rightParen = #(define-music-function (parser location griffe) (ly:music?)
#{
\set chordNameFunction = #right-parenthesis-ignatzek-chord-names
$griffe
\set chordNameFunction = #ignatzek-chord-names
#})


\new ChordNames \chordmode {
c2:maj7 \paren a:7 | d:m g:7 | c1 | \leftParen es4:m7 aes:7 d:m
\rightParen g:7
}


HTH,

David Elaine Alt
415 . 341 .4954 <%28415%29%20341-4954>
  "*Confusion is highly underrated*"
ela...@flaminghakama.com
self-immolation.info
skype: flaming_hakama
Producer ~ Composer ~ Instrumentalist
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Any way to get "optional" chords?

[Don Gingrich]

I produce both lead sheets with chords and lyrics and melody lineswith chords 
for dance music. The original material is often hand engravedand hard to read 
or in the wrong key -- hence the re-engraving.
One problem that I'm currently encountering is dealing with optionalchords. 
(The chord letters above the staff for guitar players.) These are generally 
shown in either parentheses or square brackets. Is therea way to handle several 
arbitrary chord names  differently on a score?By this I mean, for example, just 
this D, but not the others.
I'd be happy to have brackets, parentheses, a different colour or evenitalic 
instead of a regular font -- just some way to show that *this* chordis an 
exception. And it may not be possible, though I'd be surprised.I couldn't find 
it in the documentation, though. But I may not have usedthe correct search 
terms.
Thanks,
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Re: Optional chords

[Herbert Liechti]

Thank you all for the replies. Problem solved.

Best regards
-- 
herbert.liec...@thinx.ch,  ThinX AG,  Bielstrasse 69,  CH-4500 Solothurn
Tel +41 (0)32 623 81 66, Mobile +41 (0)76 334 81 66, http://www.thinx.ch
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Re: Optional chords

[Robin Bannister]

Herbert Liechti wrote:

In Jazz notation you find often chords symbol in parenthesis (see the
attached picture for an example). It this case it indicates what to play
when doing a turnaround in other cases it indicates an alternative to the
standard chords.


For a quick pointer to an old function, look up stencilCN.ly in
http://lists.gnu.org/archive/html/lilypond-user/2012-09/msg00183.html

Copy over the besideCN definition and run it through convert-ly.py.
The example for your case is in bar 2 of the demo, i.e.
   \besideCN #LEFT "(" g2:m7  \besideCN #RIGHT ")" c2:7


The code is a bit clumsy because it harks from when you couldn't 
usefully override the text property.
But it does leave the chord name in its original position, which some 
other methods don't.



Cheers,
Robin

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Re: Optional chords

[Richard Shann]

On Fri, 2016-10-28 at 11:56 +0100, Richard Shann wrote:
> On Fri, 2016-10-28 at 10:43 +0200, Herbert Liechti wrote:
> > Hi
> > 
> > 
> > In Jazz notation you find often chords symbol in parenthesis (see the
> > attached picture for an example). It this case it indicates what to
> > play when doing a turnaround in other cases it indicates an
> > alternative to the standard chords.
> > 
> > 
> > Is there a way to do that in lilypond? If found no hints in the
> > snippets and documentation. I use this quite often.
> 
> \parenthesize 4
> 
> I got this from Denemo's output for the "Parenthesize Chord" command...

That doesn't do several chords in one parenthesis, I looked at
http://lsr.di.unimi.it/LSR/Snippet?id=902 and cooked up this example:

startParenthesis = {
  \once \override ParenthesesItem.stencils = #(lambda (grob)
(let ((par-list (parentheses-item::calc-parenthesis-stencils grob)))
  (list (car par-list) point-stencil )))
}

endParenthesis = {
  \once \override ParenthesesItem.stencils = #(lambda (grob)
(let ((par-list (parentheses-item::calc-parenthesis-stencils grob)))
  (list point-stencil (cadr par-list
} 

%% Example:
\new ChordNames  {
  \override ParenthesesItem.font-size = #5
  \startParenthesis \parenthesize 
  d' e' f'
  \endParenthesis \parenthesize g'
} 

HTH

Richard





> 
> Richard
> 
> > 
> > 
> > Thanks and best regards
> > herbert
> > -- 
> > herbert.liec...@thinx.ch,  ThinX AG,  Bielstrasse 69,  CH-4500
> > Solothurn
> > Tel +41 (0)32 623 81 66, Mobile +41 (0)76 334 81 66,
> > http://www.thinx.ch
> > 
> > ___
> > lilypond-user mailing list
> > lilypond-user@gnu.org
> > https://lists.gnu.org/mailman/listinfo/lilypond-user
> 
> 
> 
> ___
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> lilypond-user@gnu.org
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Re: Optional chords

[Klaus Blum]

Hi Herbert, 

several years ago, someone in the German lilypond forum posted a solution: 
http://www.lilypondforum.de/index.php?action=profile;area=showposts;u=54

This can easily be adjusted to draw parentheses only on the left or right
side: 

%
-
#(define (parenthesis-ignatzek-chord-names in-pitches bass inversion
context)
(markup #:line ( "(" (ignatzek-chord-names in-pitches bass inversion
context) ")" )))

#(define (left-parenthesis-ignatzek-chord-names in-pitches bass inversion
context)
(markup #:line ( "(" (ignatzek-chord-names in-pitches bass inversion
context) )))

#(define (right-parenthesis-ignatzek-chord-names in-pitches bass inversion
context)
(markup #:line ( (ignatzek-chord-names in-pitches bass inversion context)
")" )))

paren = #(define-music-function (parser location griffe) (ly:music?)
#{
\set chordNameFunction = #parenthesis-ignatzek-chord-names
$griffe
\set chordNameFunction = #ignatzek-chord-names
#})

leftParen = #(define-music-function (parser location griffe) (ly:music?)
#{
\set chordNameFunction = #left-parenthesis-ignatzek-chord-names
$griffe
\set chordNameFunction = #ignatzek-chord-names
#})

rightParen = #(define-music-function (parser location griffe) (ly:music?)
#{
\set chordNameFunction = #right-parenthesis-ignatzek-chord-names
$griffe
\set chordNameFunction = #ignatzek-chord-names
#})

\new ChordNames \chordmode {
  \paren f1:maj7   \leftParen g2:m7  \rightParen c2:7
}
%
-

Cheers, 
Klaus



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Re: Optional chords

[Richard Shann]

On Fri, 2016-10-28 at 10:43 +0200, Herbert Liechti wrote:
> Hi
> 
> 
> In Jazz notation you find often chords symbol in parenthesis (see the
> attached picture for an example). It this case it indicates what to
> play when doing a turnaround in other cases it indicates an
> alternative to the standard chords.
> 
> 
> Is there a way to do that in lilypond? If found no hints in the
> snippets and documentation. I use this quite often.

\parenthesize 4

I got this from Denemo's output for the "Parenthesize Chord" command...

Richard

> 
> 
> Thanks and best regards
> herbert
> -- 
> herbert.liec...@thinx.ch,  ThinX AG,  Bielstrasse 69,  CH-4500
> Solothurn
> Tel +41 (0)32 623 81 66, Mobile +41 (0)76 334 81 66,
> http://www.thinx.ch
> 
> ___
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> lilypond-user@gnu.org
> https://lists.gnu.org/mailman/listinfo/lilypond-user



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Optional chords

[Herbert Liechti]

Hi

In Jazz notation you find often chords symbol in parenthesis (see the
attached picture for an example). It this case it indicates what to play
when doing a turnaround in other cases it indicates an alternative to the
standard chords.

Is there a way to do that in lilypond? If found no hints in the snippets
and documentation. I use this quite often.

Thanks and best regards
herbert
-- 
herbert.liec...@thinx.ch,  ThinX AG,  Bielstrasse 69,  CH-4500 Solothurn
Tel +41 (0)32 623 81 66, Mobile +41 (0)76 334 81 66, http://www.thinx.ch
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