One easily overlooked BK9 feature is the 3 MFX inserts for the song or style. They can be quite transformative! A phaser on a style Rhodes Part, a cranked up amp sim on a rock rhythm Part (change the sampled distortion guitar sound to a clean one, it will be massively more realistic as the distortion changes from chord to chord).

It may not have as many MFX as the new SX900 or a Genos, but compared to any previous gen arranger, that’s more effects for the style or sequence than even a TOTL PA4X or Tyros4!

No more having to use different sounds in styles and sequences than the Keyboard sounds, because the MFX is such an integral part of the sound.

Well worth the editing time… 🎹😎
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An arranger is just a tool. What matters is what you build with it..!