Did you mean to say “plying,” Lowboy, as opposed to “playing”?
This clip is fantastic. I think anyone who didn’t know about melodicas would swear that’s a harmonica.
I have been finding that it’s trickier tuning and gapping one of these cassottos than it is with almost any of the other melodicas I’ve worked on — mainly Yamahas and Suzukis. The reeds are more fragile and bend out of shape and alignment easily.