The absolutely, best rendition I've heard of Black Magic Woman done on an arranger keyboard lately was performed by Don Mason. https://app.box.com/s/3jru1xluc6pn1mkekgnkyfnnd44jkag2

Gary cool
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)