Hi Harm, > which question, is it solved?
Yes. I fixed the OP’s MWE (see 1st score in this snippet) so that it did what he wants (see 2nd score in this snippet): %%% \version "2.19.83" { \pitchedTrill e''2 \harmonic \startTrillSpan f'' \stopTrillSpan } dtrillOn = { \temporary \override TrillPitchHead.stencil = #ly:text-interface::print \temporary \override TrillPitchHead.text = \markup { \musicglyph #"noteheads.s0harmonic" } } dtrillOff = { \revert TrillPitchHead.stencil \revert TrillPitchHead.text } { \dtrillOn \pitchedTrill e''2 \harmonic \startTrillSpan f'' \stopTrillSpan \dtrillOff } %%% If there’s a better way, let me know! Cheers, Kieren. ________________________________ Kieren MacMillan, composer (he/him/his) ‣ website: www.kierenmacmillan.info ‣ email: i...@kierenmacmillan.info