There's a snippet in the lsr for accessing grobs "laterally" from another grob's callback: http://lsr.di.unimi.it/LSR/Item?id=621
...like accessing the stem grob from a note head grob. There's also one on showing "grob ancestry" that's helpful for this kind of thing. HTH, -Paul
_______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user