As long as technology makes life easier, the products of that technology will survive. As long as human beings are lazy (and proud of it) and instant gratification is the order of the day, painless weight-loss scams and arranger keyboards will be with us. In other words, forever. So forget those boring music lessons. Just keep bugging the manufacturers for more of those features that allow us to play less but enjoy it more. Let's face it, arranger keyboards are the porn of the music business. Think about it, instant gratification, no partner necessary, nothing to learn; a perfect analogy. They'll both be around forever. Stop worrying guys. Everything's cool.
chas
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"Faith means not wanting to know what is true." [Nietzsche]