>> Having this functionality is certainly useful for Piano music.
>> However, it's quite rare, and an LSR snippet should be sufficient
>> (possibly integrated into LilyPond's documentation).
>
> I see that you have shown an example that repeats the clef for every
> measure. If that's the
Consider this snippet.
```
\book {
#(set-global-staff-size 20)
{ c' }
}
\book {
#(set-global-staff-size 10)
{ c' }
}
```
Section 'Setting the staff size' in the NR says
To set the staff size globally for all scores in a file (or in a
\book block, to be precise), use
