Re: Polymetric math

Indeed … thanks for the quick response.

On 11/19/22, 5:55 PM, "Jean Abou Samra" <jean@abou-samra.fr> wrote:

Le 19/11/2022 à 23:45, David Santamauro a écrit :

> Hi,

> I’m typesetting an ensemble piece in 4/4 where one instrument goes to

> 6/4 – basically short-hand for not having to write two groups of

> quarter note triples for a longer duration. If I follow the

> documentation, it should be (according to the math): 2/3 * 6/4 = 12/12

> (4/4). But the following doesn’t work:

> \version "2.22.2"

> \include "english.ly"

> \relative <<

> \new Staff {

> \time 4/4

> c'4 c c c |

> c4 c c c |

> }

> \new Staff {

> \time 4/4

> \set Staff.timeSignatureFraction = 6/4

> \scaleDurations 2/3

> c4 c c c c c

> }

> >>

> This is my first sojourn into polymetrics with lilpond, so any

> rudimentary help would be appreciated.

Interestingly, someone else asked about the exact same misunderstanding

not long ago.

TL;DR: mind the braces.

Best,

Jean