Well, for once I am hoping the 'spin' ad copy is WORSE than reality!
If that chord looper is simply what it says it is, it is a HUGE blunder by Roland R&D.
And if it is a 'proper' CS, that's a huge blunder by Roland Marketing.
Thing that worries me is, Marketing rarely blunder on the side of UNDER-reporting capabilities! Hyperbole and exaggeration is their usual mode!
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An arranger is just a tool. What matters is what you build with it..!