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Re: Doc: Added \compoundMeter function to NR (issue4837050)

From: reinhold . kainhofer
Subject: Re: Doc: Added \compoundMeter function to NR (issue4837050)
Date: Thu, 04 Aug 2011 11:12:21 +0000
File Documentation/notation/rhythms.itely (right):
Documentation/notation/rhythms.itely:1638: \compoundMeter #'@var{(list
of numbers)}
On 2011/08/03 06:50:15, Janek Warchol wrote:
the argument of \compoundMeter is a list of lists, not a list of

Actually, it can be both. In the simple case, like (2+2+3)/8 (which is
very common in e.g. Serbian folk music), you only have one fraction with
a sum in the enumerator.

I would start with that "simpler" case of only one fraction and describe

   \compoundMeter #'(2 3 3 8)
Then you can start from there and say that in the more complex case with
more fractions which are added, like 1/4 + 3/8, each fraction is
expressed as above, and all of them are put inside one list:
   \compoundMeter #'((1 4) (3 8))
Documentation/notation/rhythms.itely:1638: \compoundMeter #'@var{(list
of numbers)}
BTW, what I would definitely mention here is that the automatic beaming
and the beam subdivisions are automatically derived from  the \compound
meter. In particular, if you have a measure of five eighth notes,
   \compoundMeter #'(2 3 8)
will automatically beam them as 2 + 3 eighth notes, while
   \compoundMeter #'(3 2 8)
will automatically beam them as 3 + 2 eigth notes, and
   \compoundMeter #'(4 1 8)
will beam the first four and the print a single eigth note.

Speaking in more music theory terms: A compound meter does not only say
how long the measure is, but it also gives the information about the
beat structure (the "meter"), ie. which notes are slightly accented.
That's why I didn't call it \compoundTime, but \compoundMeter. Lilypond
automatically uses that information, too.

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