Re: Changing clef automatically when pitch falls between a user-defined range of pitches

[David Nalesnik]

On Thu, Oct 18, 2018 at 9:27 AM elmeri <address@hidden> wrote:
>
> Hey ML,
>
> I asked a similar question on the Music Practice & Theory Stack Exchange 
> site, and I was told that the idea of changing clef automatically is - in 
> most cases - a bad idea, at least musically/practically speaking. 
> Nevertheless, I would like to ask for pointers as to how to accomplish this 
> with pre-existing LilyPond capabilities or just try to implement it myself -- 
> I am not at all familiar with the codebase.
>
> The ideal situation would be that there's some kind of \clefAutoChange or 
> similar command, and a mechanism to override the changing points would also 
> be provided. This also needs to work for \transpose'd music. For example, a 
> cellist told me that when there's a passage that lingers long enough above E1 
> (but not too much above A1 or so), the music is usually written with the 
> tenor clef. A similar rule (of thumb) applies to viola music and its use of 
> the treble clef, bassoon music etc.
>
> Any pointers or thoughts on this?

You might get some inspiration from http://lsr.di.unimi.it/LSR/Item?id=773.

-David