endcr = #(make-span-event 'CrescendoEvent STOP)
+startMeasureCount = #(make-span-event 'MeasureCounterEvent START)
+stopMeasureCount = #(make-span-event 'MeasureCounterEvent STOP)
+
+
startTextSpan = #(make-span-event 'TextSpanEvent START)
stopTextSpan = #(make-span-event 'TextSpanEvent STOP)