Inversions? I need transfers 4th-5th-6th-9th etc...smoothly...between full range of
chords
There's no way you can accomplish that without having octopus hands en fingers within one octave.
By the way you should read 2 octaves instead of 2,5..

Fred
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Keyboards/Sound Units: Kurzweil 2600S, Roland VR-760, Acces Virus C, Roland G-800, Akai AX60, Minimoog, Machine Drum, Roland R8-M, mediastation x-76