- Music * element_p_;
- Music_wrapper (Music*);
- virtual void transpose (Musical_pitch);
- virtual void do_print () const;
-
- VIRTUAL_COPY_CONS(Music);
- Music_wrapper (Music_wrapper const&);
- virtual Moment duration () const;
- virtual ~Music_wrapper ();
- virtual Musical_pitch to_relative_octave (Musical_pitch);
-
+ DECLARE_SCHEME_CALLBACK (length_callback, (SCM));
+ DECLARE_SCHEME_CALLBACK (start_callback, (SCM));