Every new Roland that comes out, I dread reading the manual. Sooner or later, Roland WILL drop the Makeup Tools.
They have already dropped the great Cover Tools feature from BK-5/3 (but thankfully, not BK-7m), a great tool to easily revoice an entire style for another genre. I use it to take styles that are punchy and dance-floor ready, and instantly revoice them with brush kits, acoustic basses, pianos and guitars. This allows you to do 'softer' versions for more background purposes with minimal effort. Not to mention a myriad of other options.
So... how long before the Makeup Tools goes bye-bye? I wouldn't bet against it happening.
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An arranger is just a tool. What matters is what you build with it..!