+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
+}
+tieSolid = {
+ \revert Tie #'dash-period
+ \revert Tie #'dash-fraction
+}