Every time I run the compile tab it sounds like my cat is meowing at my at my feet, I have the main woofer placed down low. There has been many times when I have looked down at my feet or turned around looking for the cat only to see that she is sound asleep behind me. In fact, I only realised a moment ago what it was 
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PS since I wrote that message the cat has actually heard the sound and is looking around trying to figure out what the noise is 