Re: Cowell/Ferneyhough Unconventional Meters

[Urs Liska]

Probably Joey doesn't want to use \time 4/5 but to scale durations.
I adjusted your example a little bit so one sees better what happens:

{
    \time 2/10
    \times 4/5 { c'8 c'8 } \bar "||"

    % \scaleDurations scales without tuplet numbers or brackets
    \scaleDurations #'(4 . 5) { c'8 c'8 c'8 c'8 } \bar "||" 

    % I put a few bars of "straight" eighths to show what happens
    c'8 c' c' c' c' c' c' c'
}

Best
Urs

Am 05.07.2011 11:45, schrieb Joseph Wakeling:

On 07/05/2011 08:57 AM, address@hidden wrote:

On Jul 5, 2011, at 8:29 AM, Joey wrote:

In Ferneyhough's etudes transcendentales,
he employs meters such as 2/12 or 2/10,
acting as literal subdivisions of the semi-breve.

The easiest way would be to create an override for the time signature stencil:

No, you don't need to be so complicated. :-)

Just put

  \time 2/10

Lilypond will give you a _warning_ that this is a non-standard time
signature, but it can handle the time signature and will produce a
corresponding bar of two quintuplet-eighths in length.

N.B. you _will_ need to put in place

  \times 4/5 {}

around the content of any such bar in order to ensure that quintuplets
are your base content type.

Try giving Lilypond the following:

{
    \time 2/10
    \times 4/5 { c'8 c'8 }
    c'8 c'8
}

... and compare what happens in the first and second bar.

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