};
-/**
- Handle key changes.
-*/
-class Key_change_ev : public Event
-{
-public:
- Key_change_ev (SCM);
- SCM pitch_alist ();
-
-protected:
- VIRTUAL_COPY_CONSTRUCTOR (Music, Key_change_ev);
- void transpose (Pitch d);
-};
-
-SCM ly_transpose_key_alist (SCM,SCM);