Re: Chordal polyphony - suggestion

2007-01-14 Thread Frédéric Chiasson

Like Tomas, I would very much like to be able to tie notes from two or
more voices, to the single note or chord following (or preceding) those
momentary or temporary voices.



It is possible to do this with the actual code. Karl gave me this trick.

To make two voices look like they are in the same chord, put \stemUp
or \stemDown (depending on the situation) to one of the voices, then
put \stemDown (or \stemUp) to separate them again. The stems of both
voices are perfectly merged, so it looks like a single voice chord.

Here is an example :

\version 2.11.11

\relative c''
{
c e g2

{
%this note is with the chord
\stemDown g'2~ |
%this one is in a separate voice
\stemUp g2~
%this one is with the chord again
\stemDown g2
} \\

{
c, e2~ |
c e4 b d
c e2
}

c e g2 %don't need to use \stemUp or \stemDown again, since the voice 
outside
% the   is a different voice than the voices inside.
% (See Section 6.3.3 - Basic Polyphony, in the User's manual)
}

Maybe not ethical but the result is perfect!

Cheers,

Frédéric Chiasson


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Re: Chordal polyphony - suggestion

2007-01-14 Thread Tomas Valusek

Hello,

poor copyist of works by Smetana or Rachmaninoff - the code would be 
cluttered with \stemXXX commands, effectively loosing LilyPond's 
automatic stem directioning ... :-(


Tomas Valusek

Frédéric Chiasson napsal(a):

Like Tomas, I would very much like to be able to tie notes from two or
more voices, to the single note or chord following (or preceding) those
momentary or temporary voices.



It is possible to do this with the actual code. Karl gave me this trick.

To make two voices look like they are in the same chord, put \stemUp
or \stemDown (depending on the situation) to one of the voices, then
put \stemDown (or \stemUp) to separate them again. The stems of both
voices are perfectly merged, so it looks like a single voice chord.

Here is an example :

\version 2.11.11

\relative c''
{
c e g2

{
%this note is with the chord
\stemDown g'2~ |
%this one is in a separate voice
\stemUp g2~
%this one is with the chord again
\stemDown g2
} \\

{

c, e2~ |
c e4 b d
c e2
}

c e g2 %don't need to use \stemUp or \stemDown again, since the 
voice outside

% the   is a different voice than the voices inside.
% (See Section 6.3.3 - Basic Polyphony, in the User's manual)
}

Maybe not ethical but the result is perfect!

Cheers,

Frédéric Chiasson


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Re: Chordal polyphony - suggestion

2007-01-14 Thread Werner LEMBERG

 To make two voices look like they are in the same chord, put \stemUp
 or \stemDown (depending on the situation) to one of the voices, then
 put \stemDown (or \stemUp) to separate them again. The stems of both
 voices are perfectly merged, so it looks like a single voice chord.

This gives very ugly results if you need a lot of ties -- currently,
LilyPond doesn't take different voices into account for computing ties
in chords.


Werner


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Re: Chordal polyphony - suggestion

2007-01-13 Thread Steve D
On Wed, Dec 27, 2006 at 11:01:44PM +0100, Tomas Valusek wrote:
 
 I'm a pianist, and in piano music, itš quite usual that polyphony is 
 occasional - in many times, I need say that one note is hanging over 
 several other notes in the same hand.


Like Tomas, I play piano and compose for that instrument. Piano music,
like Tomas writes, often splits into temporary voices within a single
staff, all played with the same hand, lasting only a fraction of a
measure for instance, that resolve into a single note or chord in one
voice, often tied to one or more notes from one or more of those
temporary voices. These temporary voices are typically used, in
notation, to produce a score that is less cluttered, simpler and better
looking than one in which the same effect is produced by using just one
voice (per hand) but with numerous extra tied notes for the portions of
a chord that are sustained while a few fingers play a melody that
interweaves between the notes of the sustained chord.

Like Tomas, I would very much like to be able to tie notes from two or
more voices, to the single note or chord following (or preceding) those
momentary or temporary voices.

* I would be very happy to sponsor a solution, if a solution is possible*

--so that these pseudo- or temporary voices in polyphonic music, unlike
the more strict monophonic voices within polyphonic music, can have ties
and perhaps other markings that extend from outside the temporary
multi-voice context into the multi-voice context, or vice-versa.

The piano piece I'm working on now has many of these temporary, mere
portion-of-a-measure polyphonic sections for the right hand, in which a
single voice playing individual notes or chords, splits into 2 or 3
voices before merging again into a single voice, often with ties
necessary between the multi-voice section and the single voice section.
Therefore, I'm personally faced with a decision: whether to try to write
tricky and complex lilypond code, or to simplify the notation by
ignoring how the piece is actually performed and not breaking into
temporary voices which necessitate many messy, cluttered-looking
partially tied chords.

Steve D
New Mexico, US
-- 

Remember, democracy never lasts long. It soon wastes, exhausts,
and murders itself. There never was a democracy yet that did not
commit suicide.  -John Adams, 1814



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Re: Chordal polyphony - suggestion

2007-01-13 Thread Steve D
On Sat, Jan 13, 2007 at 12:59:04PM -0700, Steve D wrote:
 
 [...] Piano music,
 like Tomas writes, often splits into temporary voices within a single
 staff, all played with the same hand, lasting only a fraction of a
 measure for instance, that resolve into a single note or chord in one
 voice, often tied to one or more notes from one or more of those
 temporary voices.

To be less ambiguous, I should have written--

...that resolve into a single voice composed of either a single note or
a chord, in which the single note or notes of that single-voice chord
are often tied to notes from one *or more* of the voices of the
preceding (or following) multi-voice section.

This type of multi-voice polyphony is distinct from more formal
structured multi-voice music in that it is often used for the sake of
convenience and clarity. When the notes played by either the right or
left hand of a pianist are notated with multiple voices at times, it
both simplifies the appearance of the score considerably, and gives cues
to the performer as to how the music should be performed, making
melodies that move within a chord structure more obvious, for example,
and with fewer tied notes for the portion of a chord that is sustained
while the melody moves and changes.

-Steve D
-- 

The objective of the Patriot Act [is to make] the population
visible and the Justice Department invisible. The Act inverts the
constitutional requirement that people's lives be private and the
work of government officials be public; it instead crafts a set
of conditions that make our inner lives transparent and the
workings of government opaque. -Elaine Scarry, Acts of
Resistance, Harper's Magazine, May, 2004



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Chordal polyphony - suggestion

2006-12-27 Thread Tomas Valusek

Hello,

I'm a pianist, and in piano music, itš quite usual that polyphony is 
occasional - in many times, I need say that one note is hanging over 
several other notes in the same hand. What's the difference between my 
proposed chordal polyphony and the way polyphony is now implemented in 
LilyPond?


1. Notes occuring in both ends of the chordal polyphony block are 
treated as chord, so the tie can lead to any voice on the beginning and 
from any voice on ending of chordal polyphony block without explicit 
voice management.


2. If in the specific time point there are several notes of the same 
duration in different voices, they are treated as single chord with 
automatic stem direction handling.


3. Chordal polyphony voices differ from VoceXXX normal polyphony voices, 
placement and shifting of notes is dynamic.


Suppose the syntactic delimiter for chordal polyphony is  ... , 
then it would be easy to write:


\relative cˇˇ {
 \time 3/4
 c8 a~
 
   a4 \\
   f8 f
 
 f4
}

... and to get resutl similar to one shown in attachement (different 
notation software was used). I hate the balast I must write in LilyPond 
to get such a result.


I wish you happy new year.

Tomas Valusek


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Correction - Chordal polyphony - suggestion

2006-12-27 Thread Tomas Valusek

Hello,

a little typo occured in my snippet - correct is:

\relative cˇˇ {
\time 3/4
c8 a~

  a4 \\
  f8 f~

f4
}

Tomas Valusek


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