What about release tails? Do they keep sounding? I must admit, I tried that trick on the PA3 and the glitches were what I thought was more than 'slight'. Once you are used to totally seamless, I guess the hiccups seem more annoying than if you haven't.
But things are definitely getting better in Korg country. Now bring on the Kronos based PA4!
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An arranger is just a tool. What matters is what you build with it..!