-% Hide fret number: useful to draw slide into/from a casual point of
-% the fretboard.
-hideFretNumber = {
- \once \override TabNoteHead #'transparent = ##t
- \once \override TabNoteHead #'whiteout = ##f
- \once \override NoteHead #'transparent = ##t
- \once \override Stem #'transparent = ##t
- \once \override Flag #'transparent = ##t
- \once \override NoteHead #'no-ledgers = ##t
-}
-