Re: Tempo changes

Lukas-Fabian Moser via Discussions on LilyPond development <[email protected]> Mon, 2 Mar 2026 10:24:03 +0100
Newsgroups gmane.comp.gnu.lilypond.devel
Message-ID <[email protected]>
Am 02.03.26 um 05:16 schrieb Werner LEMBERG:
>> A. Change the default formatter to round to the nearest 1/4 bpm
>> instead of 1 bpm.  This is easy to describe and to test.  Users of
>> midi2ly might see fractional parts that they didn't before.  2.24
>> didn't support input of non-integer tempo counts, so old scores
>> should not be a problem. Those who want other behavior would still
>> have to provide their own formatter.
>>
>> B. Add context property tempoCountPrecision with default 1.  People
>> using Stockhausen's scale would set it to 1/4 instead.  Others who
>> want more precision could set 1/1000 or whatever.  Maybe some people
>> who don't like odd numbers would want 2. :)
> I like option B, perhaps even combined with a `tempoCountRational`
> Boolean property to display, say, '45⅔', instead of '45.667'.

FWIW, I agree with Werner. Rounding to .25 seems arbitrary to me, while 
option B sounds LilyPond-y.

Lukas