- Music_wrapper (SCM);
- Music_wrapper ();
- Music * element () const;
- virtual void transpose (Pitch);
-
-
- VIRTUAL_COPY_CONS (Music);
- virtual Moment length_mom () const;
- virtual Moment start_mom () const;
- virtual Pitch to_relative_octave (Pitch);
- virtual void compress (Moment);
+ DECLARE_SCHEME_CALLBACK (length_callback, (SCM));
+ DECLARE_SCHEME_CALLBACK (start_callback, (SCM));