Wheel , I don't use it much for solo's.
Joystick Yes, frankly I use the Joystick a LOT now I think about it.
In fact I use the same method as Bluesplayer does and it became a second nature, it just goes automatic whenever needed.
I guess it has to do with the way you learned to play the arranger.
I use a lot of small chord changes with the left hand, but somehow I manage to use the joystick between and let it go.
I never was a pianist, I learned the piano by playing chords approx 30 years ago by tranposing chords from guitar > piano
Which turned out to be an excellent basis later for the arrangers.
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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