The difference concerning centering, is this: using \override NoteHead #'style = #'harmonic-mixed in your example, it gets left aligned, using \harmonic it gets centered.
I would not have expected this to make a difference. \version "2.17.25" \relative f'' { \key e \minor \set tieWaitForNote = ##t \stemUp \grace { e,,16~[ gis'~ cis~ e~] } <e,, gis' cis e b'\harmonic>1 } Joram _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user