http://bugs.winehq.org/show_bug.cgi?id=28411
--- Comment #2 from Tony Austin gigaday@googlemail.com 2011-10-13 05:52:48 CDT --- I now know that this is a problem with the Korg M1 software and no with Reaper.
The behaviour that I have reported manifests itself with in the stand alone version of Korg M1 DLE.