Re: Tablature for non monotonic string pitch

[Thomas Morley]

Am Sa., 20. Nov. 2021 um 18:34 Uhr schrieb Valentin Petzel <valentin@petzel.at>:
>
> Lilypond's current function for determining strings for notes attempts to 
> chose a position as low as possible. For this it assumes that the string 
> tuning is descending. In the cases when it isn't, Lilypond will fail to 
> output reasonable results (especially in chords).
>
> This is for example a problem in notation for Ukulele.
>
> Fixing this is pretty easy, I have proposed a patch some while ago. It then 
> turned out that this was in fact done before, but never got anywhere.
>
> The problem then was that for banjo literature the high fifth string is a bit 
> special, which is why the current way seems to be prefered on banjo (where 
> the 5th string is only used if specified).
>
> The problem here appears to be: The fifth string of the banjo starts at a 
> higher fret, so the same position actually produces the same note has the 
> first string (one could say the fifth string is of same pitch as the first, 
> but it starts at a higher position.
>
> So I have thought about possible ways to solve this problem, and came up with 
> two possible approaches. One approach would be to add a context property to 
> toggle, which behaviour is used. The other one would be to add a second 
> property which gives for each string an offset for the top position of the 
> string. So here the banjo notation would have first and fifth string at the 
> same pitch and an offset for the fifth one (one positive side effect of this 
> would be that this will enable us to properly handle something like a 
> capodaster).
>
> So I want to gather same opinions, hopefully from people who use such special 
> case instruments. What is your take on these options? Do you have different 
> ideas? Do you know of other stringed instruments where this would be an issue?
>
> Cheers,
> Valentin

Do you know
https://lilypondforum.de/index.php/topic,731.msg4223.html
?
You need an account there to view attached code and images, though.


Cheers,
  Harm