Reinhold Kainhofer wrote:
A while ago we had that discussion about a user wanting two vertical lines on
each side of the breve instead of one. I have now prepared a patch for our
font, which adds such a "noteheads.sM1double" glyph:
Woah, great! Praise you! :-)
Regarding the single- vs. double-line breve: I have not yet found a reference
to the single-line breve. Only the double-lined breve can be found practically
everywhere:
I know the double-line shape very well, but I've seen the single-line
version, too, in some transscriptions of Gregorian-inspired choral
works, e.g. Samuel Barber's "Agnus Dei", edition by G. Schirmer, 1967,
and several others.
But the single-line version is especially often encountered in
"Psalmtönen", i.e. the semi-modern transscriptions of short Gregorian
melodys, e.g. in the "Gotteslob", the German Catholic church choral
books. In this context, it is used to denote the main note (tenor) of
the melody, which is to be repeated arbitrarily often depending on the
number of syllables in the verse.
(See e.g.
http://lilypond.org/doc/v2.12/input/lsr/lilypond-snippets/Rhythms#chant-or-psalms-notation.ly)
And, while you're at it: there is also a solid node head (quarter note
head?) with single vertical lines, which basically means the same, but
is only used for notes at the end of a line, not to be repeated too
often, to adapt the melody to the stresses of the lyrics (finalis or
flexa or something like that, IIRC).
I'd greatly appreciate a method to enter these without fancy scheme
tweaks! ;-)
One thing I notice is that the vertical lines are usually a bit larger than
the notehead. This would also change the default breve glyph, so I haven't
included that in the patch. What do you think about this issue?
In the mentioned "Gotteslob", the single-line version (both the brevis
and the one with the solid note head) are larger than the note head - as
a rough guess, they extend about 1/4 to 1/3 staff space above and below.
And, by the way, the lines are horizontally tight on the note head, not
like the brevis in e.g.
http://imslp.org/wiki/Mass_for_Five_Voices_(Byrd,_William)
If you want me to, I can make some scans tomorrow.
The same holds for some instances of the double-line variant I've
checked in my songbooks; although I think the shape in the scores of
Byrd's mass (with horizontal space between note head and lines) looks
more elegant, the tight version seems to be more common.
Cheers,
Alexander
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