Re: Unwanted warnings/errors on pedals for multiple voices

[Timothy Lanfear]

On 06/04/2020 17:17, Carl Sorensen wrote:
> *From: *Paolo Prete <address@hidden>
> *Date: *Monday, April 6, 2020 at 9:15 AM
> *To: *Thomas Morley <address@hidden>
> *Cc: *Kieren MacMillan <address@hidden>, Lilypond-User 
> Mailing List <address@hidden>
> *Subject: *Re: Unwanted warnings/errors on pedals for multiple voices
>
> On Mon, Apr 6, 2020 at 4:25 PM Thomas Morley <address@hidden 
> <mailto:address@hidden>> wrote:
>
>     Am Mo., 6. Apr. 2020 um 16:03 Uhr schrieb Paolo Prete
>     <address@hidden <mailto:address@hidden>>:
>     >
>     >
>     >
>     > On Mon, Apr 6, 2020 at 3:08 PM Kieren MacMillan
>     <address@hidden <mailto:address@hidden>>
>     wrote:
>     >>
>     >> Hi all,
>     >>
>     >> > You could move the Piano_pedal_performer from Voice to Staff
>     level.
>     >> > Add or remove the \consists command to hear the difference.
>     >>
>     >> Is there some reason this shouldn’t be the default?
>     >> I can’t imagine Voice-independent pedalling is a feature of
>     more than a miniscule fraction of “real world” music.
>     >>
>     >
>     > I totally agree. This should be fixed and, at least, before
>     fixing it, Timothy's solution should be added to the official
>     documentation.
>     > Best,
>     > P
>     >
>     >
>     >>
>     >> Cheers,
>     >> Kieren.
>
>     I disagree.
>
>     If you move the engraver to Staff, then you still have the problem
>     that you can't have a pedal with only one of two or three staves in
>     PianoStaff
>     Usually the piano has one pedal, it is used for the whole music,
>     disregarding if the music is written at two or three staves or
>     whatever.
>     Consequently the engraver should be moved to PianoStaff.
>
> Hi Thomas,
>
> I disagree as well. Piano's pedals can be put in various cases at 
> staff level. Think for example of a three-staves piano score, with 
> third staff for *mute* (resonance) notes and Sostenuto pedal, while 
> the second staff has dynamics and sustain pedal. Even in two-staves 
> scores, when you don't have enough space and the left hand is silent, 
> it could be useful to put pedals and dynamics on the right hand (upper 
> staff). But I can list other situations as well.
>
> Then, a "staff default" seems reasonable to me. In Any case, the 
> "voice" default appears nonsense to me.
>
> To me, the ideal default is PianoStaff.
>
>     Best would be to move the engraver as deserved. How to move engravers
>     is documented already...
>     So I can't see any need to do anything.
>
> Where is it documented, exactly?
>
> http://lilypond.org/doc/v2.20/Documentation/notation/modifying-context-plug_002dins
>
> I struggled (and googled) a lot before knowing Timothy's tip...
>
> best
>
> P
>
> Thanks,
>
> Carl
Voice is the default location of the Piano_pedal_performer whereas Staff 
is the default location of the Piano_pedal_engraver, which explains why 
Paolo's score only produced an error when creating midi. Consistency 
would be desirable.


--
Timothy Lanfear, Bristol, UK.