That is all good..But, men and women didn't know a lot of things few thousand years ago..Back than they didn't cut trees at this rate, or pollute the air we breath.
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MIKIMIKI

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