#include "musical-request.hh"
-IMPLEMENT_IS_TYPE_B1(Sequential_music,Music_sequence);
-IMPLEMENT_IS_TYPE_B1(Simultaneous_music,Music_sequence);
+
+
Moment
Simultaneous_music::duration () const
}
-IMPLEMENT_IS_TYPE_B1(Request_chord, Simultaneous_music);
+
Request_chord::Request_chord()