Stig,
On Dec 26, 2007, at 9:07 AM, [EMAIL PROTECTED] wrote:
Does anyone have a suggestion as how to show substitution of feet in an
organ pedal voice? It could be when shifting from right toe to right
heel on
the same note, or it could be substituting the left toe with the right
toe,
still on the same note.
I am not sure whether your question is
(a) what is the proper notation for substitution on the pedalboard, or
(b) how to I code lilypond
Nomenclature (general practice):
^ = toe, above note = right, below note = left
u or o (little "oh") = heel, above note = right, below note = left
Note 0: I prefer the notation where all pedal marks above the staff
refer to the right foot; all marks below the staff refer to the left
foot.
Note 1: there is variation in published music. Sometime v is used for
toe instead of ^; likewise, o, u, or "n" (an inverted u) is used for
heel. (Sorry, I am not sure how to insert the correct symbols into an
email, so I am using the letters u (you), v (vee) and n (en) as
substitutes.
Note 2: I disagree with the notation illustrated in the 2.10 Lilypond
manual where "right" and "left" are indicated by the orientation of the
pedal marks. Here is the reference:
http://lilypond.org/doc/v2.10/Documentation/user/lilypond/
Articulations#Articulations
Note 3: My organ reference is "A practical guide to playing the organ"
by Anne Marsden Thomas published by Cramer Music, Englanad. This is an
excellent book.
Notation Solutions:
If (a), there are two kinds of substitution:
(a1) toe to heel or heel to toe on the SAME foot
write "^/u" or "u/^" using the proper lilypond code
That is: use a slash to indicate the substitution. If you accept the
pedal notation listed in the Lilypond manual (where "orientation of the
symbol indicates the foot", this approach will cover all substitutions.
(a2) toe to heel/toe (etc etc) on DIFFERENT feet
Conceptually the notation for this substitution is straight forward.
Place the starting notation, say ^, above the note. Place the ending
notation, say ^, below the staff and displaced to the right. Connect
the two pedal marks with a diagonal line through the staff from the
upper pedal mark to the lower pedal mark. Here is vaguely what the
result should look like:
^
______\__________
_______\_________
________\________
_________\_______
__________\______
^
I've never coded anything like this in lilypond, so someone else will
have to suggest the correct code.
All notation from Thomas: Practical Guide: sections 7.6, 7.9.3.1 and
7.9.3.2.
Hope this helps.
Jeremiah
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