Hi Luca, hi Steve, Luca, do you mean :
\version "2.18.2" \transpose c c' { %<d ees>16 ~ << { \once\stemDown \once\hideNotes ees16~ \once\override NoteColumn.force-hshift = #0.6 ees2^\trill } \\ { \once\stemUp <d~ ees>16 \once\override NoteColumn.force-hshift = #-0.6 d2 } >> } HTH, Pierre
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