Re: 'bach accidental style

[Simon Albrecht]

From studying Bach’s Clavierübung III from a first edition facsimile 
[1] I am well aware of the conventions.

On 06.12.2015 16:40, BB wrote:
> http://www.iment.com/maida/familytree/henry/music/bachnotation.htm
>
> ...
> In 18th century music-writing, an accidental was not in effect for an 
> entire measure but applied only to the note immediately following the 
> accidental.

If this were true, we could indeed just use \accidentalStyle forget. But 
there are the two exceptions, which I already described in my initial 
post. Sigh.

> This has caused some confusion in many editions. Bach occasionally 
> forgot to write the accidentals himself and added them later below the 
> notes when there was not room to write them before the notes.

Often it has nothing to do with him ‘forgetting’ the accidentals, but 
with saving space.
But I’m less interested in discussing the notational convention. My 
request was about the technical implementation, in case you didn’t notice.

Yours, Simon

> ...
>
>
> On 06.12.2015 16:35, Simon Albrecht wrote:
> > On 06.12.2015 16:28, BB wrote:
> > > May be like this?
> > > %%%%%%%%%%%%%%%%%%%%%
> > >
> > > \version "2.19.32"
> > >
> > > \relative {
> > >
> > > %\accidentalStyle baroque
> > >
> > > \accidentalStyle dodecaphonic
> > >
> > > dis'4 cis dis fis
> > >
> > > \accidentalStyle default
> > >
> > > dis d cis c
> > >
> > > dis dis e
> > >
> > > } %%%%%%%%%%%%%%%%%%%%
> >
> > My goodness, that was an _example_! No, the whole point of this is to 
> > _not_ make any changes to the actual music, but having _one_ 
> > accidental style to do it automatically. Else I’d be using explicit 
> > accidentals, but that’s tedious and inflexible.
> >
> > Yours, Simon
> >
> > > On 06.12.2015 16:12, Simon Albrecht wrote:
> > > > On 06.12.2015 15:59, BB wrote:
> > > > > I am not sure what you want to get.
> > > >
> > > > What I want is not one of the accidental styles already available, 
> > > > as may be read from the word ‘custom’.
> > > > Let me give an example: this
> > > > %%%%%%
> > > > \version "2.19.32"
> > > > \relative {
> > > >   \accidentalStyle baroque
> > > >   dis'4 cis dis fis
> > > >   dis d cis c
> > > >   dis dis e
> > > > }
> > > > %%%%%%%
> > > >
> > > > should print accidentals on all notes except for the last two. In 
> > > > other words, it should behave like forget in the first measure 
> > > > (i.e. not remember the dis), and from there on like default (i.e. 
> > > > distinguish chromatic pitches, and drop the accidental on 
> > > > subsequent notes with identical pitch). (The last note only shows 
> > > > that it’s not dodecaphonic what I want.)
> > > >
> > > > Yours, Simon