+
+/**
+ Helping req to signal start of a melisma from within a context, and
+ to */
+class Melisma_playing_req : public Request
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
+};
+
+class Arpeggio_req : public Request
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
+};
+
+class Glissando_req : public Request
+{