Maybe the guy is busy, maybe he is not home, maybe he some private and personal affairs where he needs to be or a family matter.
But, let's rub it in his face because that will for sure help both parties.
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MIKIMIKI

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