Pa4x is as easy to use as any Yamaha arranger. It all depends how you want to use it. If you don't want to edit than don't, but there are all the tools you need if you do want to edit sounds or styles.... Etc.
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MIKIMIKI

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