Laura Conrad <lconrad <at> laymusic.org> writes:
>
>
> The documentation for ancient time signatures
>
<http://lilypond.org/doc/v2.11/Documentation/user/lilypond/Ancient-time-signatures>
> (it doesn't seem to have changed noticeably since 2.10, which is what
> I'm actually using) has a circle with a dot inside and a left half circle
> with a dot inside, but no right half circle with a dot inside.
>
> I'm transcribing something from Morley's "Plaine and Easie..."
> (neither plain nor easy from the point of view of a 21st century
> musician) which uses the right half circle with a dot. The modern
> transcription I have access to seems to believe he meant a 12/4 time
> signature when he wrote that.
>
> Would it be easy to add this symbol? If it's easy but not trivial,
> would the person for whom it's easy like to point me to a starting
> place so I could take a crack at it?
>
Hi Laura,
I don't know how to add new glyphs to the font, but I can tell you how
I worked around what sounds like exactly the same problem in transcribing
Billings pieces; he (and other early American composers, and shapenote
tunebooks) used what looks like an upside-down and backwards cut-time sign
for the "allegro mood of time."
I did the following (you would substitute the proper glyph name;
I think you want timesig.neomensural.68)
# (define (tsaFn grob)
(interpret-markup
(ly:grob-layout grob)
'(( ))
(markup #:rotate 180 #:musicglyph "timesig.C22")))
tsAllegro = { \once \override Staff.TimeSignature #'stencil =
#tsaFn \time 2/2 \tempo 2=60 }
And then used \tsAllegro instead of \time 2/2.
Hope that helps,
Michael
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