-break = #(make-event-chord (list (make-penalty-music -10001 0)))
-noBreak = #(make-event-chord (list (make-penalty-music 10001 0)))
-pageBreak = #(make-event-chord (list (make-penalty-music -10001 -10001)))
-noPageBreak = #(make-event-chord (list (make-penalty-music 0 10001)))
+break = #(make-event-chord (list (make-music 'LineBreakEvent 'break-permission 'force)))
+noBreak = #(make-event-chord (list (make-music 'LineBreakEvent 'break-permission '())))
+%% \pageBreak, \noPageBreak, \pageTurn, \noPageTurn, \allowPageTurn are defined
+%% as music functions
+
+stopStaff = #(make-event-chord (list (make-span-event 'StaffSpanEvent STOP)))
+startStaff = #(make-event-chord (list (make-span-event 'StaffSpanEvent START)))