Hi Robbie,  This site might be very helpful to everyone who has
a MIDI- and solenoid-based piano:

  http://www.carolrpt.com/MIDItools.htm

All the best,
John Del Carlo

 [ The web site is by Carol Beigel, RPT, a piano tech in the
 [ Washington, D.C. area.  She says, "These pages are an attempt to
 [ explain some of technology that expands the creative possibilities
 [ of your MIDI Player Piano. It presents information to help manage
 [ your music files, control the volume of the songs played on your
 [ piano and use a computer with your MIDI Player."  -- Robbie