How does Paul Bielatowicz of Carl Palmer's ELP Legacy play keyboards on guitar?

here is the explanation
being an EL&P fan, I am astonished

Wow… this is such “old school”…

I have the Axon AX100 MKII by Terratec Producer.

it seems Terratec produce serious stuff as well
not only lemons as an external audio device I bought some time ago, that died a few month after