Hasn't Ian already ruled out a Yamaha counter-punch?

Remember, the home arranger user has no need for 88 keys, even 76 are WAY too many for their poor little dumb minds to grasp!

And the effrontery to suggest that they MIGHT like to play on something more substantial than a toy 61 keyboard... Who do these guys think they are?
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An arranger is just a tool. What matters is what you build with it..!