Re:Polymeter help

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Re:Polymeter help

Karim Haddad
Sorry for messed up Subject.
In reply to Andrew's post :



Dear Andrew

I suspect that either your composer is wrong, or the time signature of the two last staves is not 4/4 but some kind of irrational timesignature.
Here is a compiled and correct layout following your specifications of polytempi done with lilypond. In Lily it is possible and pretty much cool.
I use it for my compositions where polytempi and polymetrics are current. It even plays the correct timing in midi ! The trick is to use scaleDurations based on a tempo of 60 but you can tweak it as you like.

the example of stave 2 and 4 of your example here:

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
"one"=
{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%% VOICE : 1 %%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

#(set-accidental-style 'dodecaphonic)

%%%%%%%%%%%%%%%%%%%%%%% MESURE : 1 %%%%%%%%%%%%%%%%%%%%%%%
\scaleDurations 15/13 {
\time 3/4
\set Staff.timeSignatureFraction = #'(3 . 4)
\mark \markup {\left-column {{\line { \smaller \general-align #Y #DOWN  \note #"4" #1 " = 52 "}} \tiny "1"}}
a2.~
|
}
\once \set Staff.whichBar = "|"
%%%%%%%%%%%%%%%%%%%%%%% MESURE : 2 %%%%%%%%%%%%%%%%%%%%%%%
\scaleDurations 15/13 {
\time 3/4
\set Staff.timeSignatureFraction = #'(3 . 4)
a2~ a8.~  a16
|
}
\once \set Staff.whichBar = "|"
}
 

"two"=
{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%% VOICE : 2 %%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

#(set-accidental-style 'dodecaphonic)

%%%%%%%%%%%%%%%%%%%%%%% MESURE : 1 %%%%%%%%%%%%%%%%%%%%%%%
\scaleDurations 20/21 {
\time 4/4
\set Staff.timeSignatureFraction = #'(4 . 4)
\mark \markup {\left-column {{\line { \smaller \general-align #Y #DOWN  \note #"4" #1 " = 63 "}} \tiny "1"}}
\clef F
\tuplet 5/4 {f,8 [bih,8.~ ]}
\tuplet 7/8 {bih,16 [g,32~ g,8~ ]}
g,4~
\tuplet 5/4 {g,8.~ [ <g, eisih'>8 ] }
|
}
\once \set Staff.whichBar = "|"
%%%%%%%%%%%%%%%%%%%%%%% MESURE : 2 %%%%%%%%%%%%%%%%%%%%%%%
\scaleDurations 20/21 {
\time 4/4
\set Staff.timeSignatureFraction = #'(4 . 4)
a,16. c,8~
c,4~
\tuplet 3/2 {c,4~ <c, aeh,>8~}
<c, aeh,>4
|

}
\once \set Staff.whichBar = "|"
}
 

\score {
 {

<<
\new ChoirStaff
<<



\new Staff  {
\one
}

\new Staff  {
\two
}
 >>
 >>

}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Sorry for this non brief example...
(attached what i beleive the correct timing is)

Best
K


On Fri, Apr 05, 2019 at 08:25:45AM -0400, [hidden email] wrote:

> Message: 2
> Date: Fri, 5 Apr 2019 22:29:21 +1100
> From: Andrew Bernard <[hidden email]>
> To: lilypond-user Mailinglist <[hidden email]>
> Subject: Re: Polymeter help
> Message-ID:
> <CAK5QfnWA_1qbBAUaiBbuFMjK=[hidden email]>
> Content-Type: text/plain; charset="utf-8"
>
> I am just looking for advice. I would not expect anybody to code this up.
>
> Andrew
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