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Re: Halving/doubling durations
From: |
David Kastrup |
Subject: |
Re: Halving/doubling durations |
Date: |
Wed, 14 Jun 2017 13:19:54 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) |
address@hidden writes:
> Hi Folks,
> Lots of older music is written in 4/2 or 3/2 time, and uses minims
> as the standard note. I'd like to be able to enter it exactly for
> proof reading, then halve all the note values (and the time
> signature) so the main melody is in crotchets instead of minims.
>
> Example, the old Hymn Tune, `All Saints'
>
> \score {
> \new Staff \relative c'' {
> \key bes \major \time 4/2
> bes2 f g g |
> f es d4( c) bes2
> }
> }
>
> I'd like to convert this automatically to
>
> \score {
> \new Staff \relative c'' {
> \key bes \major \time 4/4
> bes4 f g g |
> f es d8( c) bes4
> }
> }
>
> by something like
> \halveDurations { music ... }
>
>
> It'd be fairly easy to write a music function that does this, but I
> wanted to ask first if there was one already existing I could use.
\shiftDurations #1 #0 { music ... }
--
David Kastrup