Re: unmetered music question

[Geoff Horton]

> To quote Section "Layout tunings within contexts":
>
> "the |\revert| command for a context undoes an |\override| command"
>
> so, simply do
> \revert Staff.TimeSignature #'print-function
> where you want to make the time signature visible again.

That still leaves the blank spaces within the bars. You have to remove
the engraver to stop that from happening (AFAIK), and I don't know how
to remove it and put it back as needed.

\layout {
  \context {
    \Staff
    \remove "Time_signature_engraver"
  }
}

gets rid of the engraver entirely.