+
+phrasingSlurUp = \override PhrasingSlur #'direction = #UP
+phrasingSlurDown = \override PhrasingSlur #'direction = #DOWN
+phrasingSlurNeutral = \revert PhrasingSlur #'direction
+
+shiftOn = \override NoteColumn #'horizontal-shift = #1
+shiftOnn = \override NoteColumn #'horizontal-shift = #2
+shiftOnnn = \override NoteColumn #'horizontal-shift = #3
+shiftOff = \revert NoteColumn #'horizontal-shift
+
+tieUp = \override Tie #'direction = #UP
+tieDown = \override Tie #'direction = #DOWN
+tieNeutral = \revert Tie #'direction
+
+tieDashed = {
+ \override Tie #'dash-period = #0.75
+ \override Tie #'dash-fraction = #0.4
+}
+tieDotted = {
+ \override Tie #'dash-period = #0.75
+ \override Tie #'dash-fraction = #0.1