Deane, I like the way you rigged the platform on top of the Rock And Roller cart for the keyboard, but I'm really not enamored with the overall sound of the BK9. Maybe it's the recorder, but to me it sounds a bit muffled and lacks the crispness on those right hand voices that I'm used to hearing.
Good Luck and thanks for posting the video,
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.)