-(define-span-event-display-method BeamEvent (event parser) #f "[" "]")
-(define-span-event-display-method SlurEvent (event parser) #f "(" ")")
-(define-span-event-display-method CrescendoEvent (event parser) #f "\\<" "\\!")
-(define-span-event-display-method DecrescendoEvent (event parser) #f "\\>" "\\!")
-(define-span-event-display-method EpisemaEvent (event parser) #f "\\episemInitium" "\\episemFinis")
-(define-span-event-display-method PhrasingSlurEvent (event parser) #f "\\(" "\\)")
-(define-span-event-display-method SustainEvent (event parser) #f "\\sustainOn" "\\sustainOff")
-(define-span-event-display-method SostenutoEvent (event parser) #f "\\sostenutoOn" "\\sostenutoOff")
-(define-span-event-display-method TextSpanEvent (event parser) #f "\\startTextSpan" "\\stopTextSpan")
-(define-span-event-display-method TrillSpanEvent (event parser) #f "\\startTrillSpan" "\\stopTrillSpan")
-(define-span-event-display-method StaffSpanEvent (event parser) #f "\\startStaff" "\\stopStaff")
-(define-span-event-display-method NoteGroupingEvent (event parser) #f "\\startGroup" "\\stopGroup")
-(define-span-event-display-method UnaCordaEvent (event parser) #f "\\unaCorda" "\\treCorde")
+(define-span-event-display-method BeamEvent (event) #f "[" "]")
+(define-span-event-display-method SlurEvent (event) #f "(" ")")
+(define-span-event-display-method CrescendoEvent (event) #f "\\<" "\\!")
+(define-span-event-display-method DecrescendoEvent (event) #f "\\>" "\\!")
+(define-span-event-display-method EpisemaEvent (event) #f "\\episemInitium" "\\episemFinis")
+(define-span-event-display-method PhrasingSlurEvent (event) #f "\\(" "\\)")
+(define-span-event-display-method SustainEvent (event) #f "\\sustainOn" "\\sustainOff")
+(define-span-event-display-method SostenutoEvent (event) #f "\\sostenutoOn" "\\sostenutoOff")
+(define-span-event-display-method TextSpanEvent (event) #f "\\startTextSpan" "\\stopTextSpan")
+(define-span-event-display-method TrillSpanEvent (event) #f "\\startTrillSpan" "\\stopTrillSpan")
+(define-span-event-display-method StaffSpanEvent (event) #f "\\startStaff" "\\stopStaff")
+(define-span-event-display-method NoteGroupingEvent (event) #f "\\startGroup" "\\stopGroup")
+(define-span-event-display-method UnaCordaEvent (event) #f "\\unaCorda" "\\treCorde")