RE: Nachschlag - Passing Appoggiatura - hook?

[Javier Ruiz-Alma]

-----Original Message-----
From: Hans Aberg 

>> On 29 Nov 2014, at 23:19, Javier Ruiz-Alma <address@hidden> wrote:
>> 
>> I'm typesetting BWV 1055, which includes these so-called nachschlags 
>> (or passing appoggiaturas, accents) They can appear coming down or up to the 
>> following note (see attached).
>>  
>> These are explained here:
>> http://www.iment.com/maida/familytree/henry/music/bachnotation.htm#pas
>> singa
>>  
>> How to typeset these with LP?

> “Harvard concise” says it is attached to the main note, and writes it as a 
> small 8th note with a slash and a slur to the note before it. So this would 
> be \afterGrace, but Notation does not say if \slashedGrace can be used with 
> it. Perhaps LilyPond should have a \nachschlag counterpart to \acciaccatura.

These hooks appear before short (typically 8th or 16th) notes in runs.  Small 
as these hooks are, the original typesetter placed these carefully, the 
mid-point resting between or crossing the line where a the notehead of the 
auxiliary note would land (even providing them with ledger lines).
For now, I'm notating these with smaller-sized appoggiatura 8ths, to at least 
provide some contrast with the regular appoggiaturas attached to longer notes, 
which do explicitly appear on Bach's manuscript.

Thoughts?