Just as an aside, although currently it seems a little buggy, Korg’s new ‘two styles at the same time’ feature on the PA5X seems to be a good way to get the same thing as hooking up two arrangers together…

Let’s hope they sort it out and then other manufacturers copy the idea. Potentially, it’s the biggest change to the overall style engine in decades.
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An arranger is just a tool. What matters is what you build with it..!