(propertyUnset 'partCombineForced)))
partcombineApart = \partcombineForce #'apart
-partcombineApartOnce = \once \partcombineApart
partcombineChords = \partcombineForce #'chords
-partcombineChordsOnce = \once \partcombineChords
partcombineUnisono = \partcombineForce #'unisono
-partcombineUnisonoOnce = \once \partcombineUnisono
partcombineSoloI = \partcombineForce #'solo1
-partcombineSoloIOnce = \once \partcombineSoloI
partcombineSoloII = \partcombineForce #'solo2
-partcombineSoloIIOnce = \once \partcombineSoloII
partcombineAutomatic = \partcombineForce \default
-partcombineAutomaticOnce = \once \partcombineAutomatic
%% phrasing slurs