Hi, Robert.
> > Thanks for your prompt reassuring response. > I will now first test LilyPond on my other rather old and slow Mac, > running on High Sierra. > As another check point, I am happily running Lilypond (2.19.82) on a mid-2011 13" MBP running OSX 10.13.6 (High Sierra). Best to install LP from the official site rather than using Homebrew, in my experience. HTH _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user