Not sure how it was recorded, but ,obviously, it was not recorded directly from the outputs into a mixer then a digital recorder. That said, he clearly demonstrated the wonderful features of this amazing arranger keyboard and just how versatile it can be in the hands of a pro player.
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)