Maybe your best choice is Voicelive Play.If you don't want to make custom scales for harmonies than you don't need VL2.VL2 is the best harmony processor,but you will probably not use 80% of things inside.Plus, Voicelive Play has better presets than vl2 and it's much cheaper.
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MIKIMIKI

TYROS 5,BEHRINGER X32PRODUCER,YAMAHA DSR112,JBL PRX618s XLF,EV ZLX12p,SENNHEISER E945,....ETC