Sounds good, Francis. Most of the instruments seem realistic enough, but the clarinet (or musical saw, or muted trumpet, or whatever it is) bothers me.
Here is the piece on the St. Anne Mosley Hauptwerk organ (with added reverb). I played around with the stops and Swell shade manually as Sibelius played it out, so it might have a registration prob here or there, but you can hear the sonorities much better here.
When you figure that out, let me know. I am using Sibelius so I imagine there is a mapping protocol that one puts into Sibelius in the MIDI information section.
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