David Wright wrote:
I've used the attached, which is from the last, and defunct, reference in: https://lists.gnu.org/archive/html/lilypond-user/2017-02/msg00133.html I haven't checked whether it's been made available elsewhere, like a snippet.
That defunct reference was a message on this list. It is archived at https://lists.gnu.org/archive/html/lilypond-user/2011-08/msg00157.html Cheers, Robin