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## Re: TimeSignature with note in denominator

 From: David Kastrup Subject: Re: TimeSignature with note in denominator Date: Sat, 13 Nov 2021 22:45:07 +0100 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

```Kieren MacMillan <kieren_macmillan@sympatico.ca> writes:

> Hi David,
>
>> A time signature is written with numbers, not durations.
>
> Perhaps more completely (and, some might say, accurately): A time
> signature is written with numbers, the second (“lower”) of which
> represents a musical duration — specifically, the time signature n/d
> means “n events per measure, each event having a duration equal to
> 1/d-th of a whole note”. e.g. 4/4 means “4 events per measure, each
> event having a duration equal to 1/4th of a whole note”, 2/6 means “2
> events per measure, each event having a duration equal to 1/6th of a
> whole note”, etc.
>
>>> If the entry is a duration,
>> But it isn't and has never been.
>
> I believe that Carl was using the future conditional version of “if…is”
> there.  ;)
>
>> There is
>>          /*
>>            Todo: should make typecheck?
>>
>>            OTOH, Tristan Keuris writes 8/20 in his Intermezzi.
>>          */
>>
>> in lily/time-signature-engraver.cc
>> Your refactoring desire does not seem to leave room for that.
>
> Why not? 8/20 corresponds perfectly to “8 events per measure, each
> event having a duration equal to 1/20th of a whole note”.

What duration is equal to 1/20th of a whole note in LilyPond?

--
David Kastrup

```

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