Well I might have figured out the trigger. Having a 2-beat bar right before the ending confuses realtracks (but not MIDI).

edit: I even fixed some older versions that seemed hopeless.
edit: Nope, was wrong. realtracks ends right on one older tune but now real drums will not end right.
It seems that once it screws up you may never get rid of it.

Last edited by John Vreeland; 03/08/15 05:20 PM.