You gotta be kidding lmao ... do you really think Yamaha would make Keith Jarret buy one ... rofl I am betting they would give it to him just to have him be seen using one. That would be worth millions to them. And take it into account that is probably one of his first times using an arranger so of course it would seem a little unfamliar. And he wasn't choosing patches, it was just a demo session where he was playing what was punched in. Donny did you even stop to think about what you were watching before you commented?