Re: key signature problem

[Jonathan Kulp]

On Mon, Dec 20, 2010 at 8:12 AM, Ralph Palmer <address@hidden> wrote:
> Greetings -
>
> I'm running LilyPond 2.12.3 under Ubuntu.
>
> I'm trying to get a non-standard key signature : b-flat and d-flat. When I
> follow the 2.12.3 docs, I get the following error message.
>
> GNU LilyPond 2.12.3
> Processing `key_sign_test.ly'
> Parsing...
> Interpreting music...
> Preprocessing graphical objects...ERROR: In procedure denominator:
>
> ERROR: Wrong type argument in position 1: (unquote FLAT)
>

I think I've found it. Try using a backtick ` instead of single quote
' on this line:

\set Staff.keySignature = #'(((1 . 1) . ,FLAT)

When I did this it compiled (and notice in the doc example it has a backtick).

Jon


> Here's the minimal example file :
>
> %%%%%%%%%%%% Begin snippet %%%%%%%%%
>
> % key signature test file
>
> \version "2.12.3"
>
> test =
> \relative c' {
>   \set Staff.keySignature = #'(((1 . 1) . ,FLAT)
>                                ((0 . 6) . ,FLAT))
>
>   \clef treble
>   \time 4/4
>
>   a4 c b d |
>   e4 g f a |
> }
>
> \score {
>   \test
> }
>
> %%%%%%%% End snippet %%%%%%%%%%
>
> And here is the entry from the 2.12.3 docs :
>
> %%%% Snip %%%%
>  Non-traditional key signatures
> The commonly used \key command sets the keySignature property, in the Staff
> context.
> To create non-standard key signatures, set this property directly. The
> format of this command is a list:
>
> \set Staff.keySignature = #`(((octave . step) . alter) ((octave . step) .
> alter) ...) where, for each
> element in the list, octave specifies the octave (0 being the octave from
> middle C to the B above),
>
> step specifies the note within the octave (0 means C and 6 means B), and
> alter is ,SHARP ,FLAT ,DOUBLE-SHARP etc.
> (Note the leading comma.) The accidentals in the key signature will appear
> in the reverse order to that in which
>
> they are specified.
> Alternatively, for each item in the list, using the more concise format
> (step . alter) specifies that the same
> alteration should hold in all octaves.
> For microtonal scales where a "sharp" is not 100 cents, alter refers to the
> alteration as a proportion of a 200-cent whole tone.
>
> Here is an example of a possible key signature for generating a whole-tone
> scale:
>
>     \relative c' {
>       \set Staff.keySignature = #`(((0 . 3) . ,SHARP)
>
>                                    ((0 . 5) . ,FLAT)
>                                    ((0 . 6) . ,FLAT))
>       c4 d e fis
>       aes4 bes c2
>
>     }
>
> %%%%%%%%% Snip %%%%%%%%55
>
> Can someone please show me where I'm going wrong?
>
> Gratefully,
>
> Ralph
>
> --
> Ralph Palmer
> Montague City, MA
> USA
> address@hidden
>
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> address@hidden
> http://lists.gnu.org/mailman/listinfo/lilypond-user
>
>



-- 
Jonathan Kulp
http://www.jonathankulp.com