mac os 10.9.5 processor 2.66 ghz intel core i7 memory 8 gb 1067 mhz ddr3 Graphics NVIDIA GeForce GT 330M 512 MB 1 tb ssd after couple songs i play during an event serato dj dramatically sound start to slow down and stop never happen before, i though it was the controller, so i try different one from i friend and it was same audio drop outs and glitches, i notice that if i play just audio runs ok but once i opened mixemergency cpu meter start going yellow and red. Some of you have had this same issue? any help will be great thanks.