[JW Lua] FCNote:CalcMIDIKey() on percussion staves can show wrong values

[Jan Angermüller]

Jari,

I noticed that FCNote:CalcMIDIKey() may not work on percussion staves if 
the key is not C major.
Run the following script on the attached mus file and it will print 
different MIDI keys than the internal Finale "Show Percussion MIDI 
Values". If you transpose the score back to C major, it will show the 
correct values. Currently it's set to G major (7 steps) and the 
calculated MIDI values are 7 steps too high.

finenv.Region():SetFullDocument()
for e in eachentry(finenv.Region()) do
     for i =0,e.Count-1,1 do
         print(e:GetItemAt(i):CalcMIDIKey())
     end
end

Jan
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