What is the meaning behind the howling dog, heard so many times in the background of Simpsons episodes?

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I have been watching The Simpsons for several years and I have heard this howling dog in the background of many of the episodes. I am thinking that there is a hidden meaning to this, similar to the horse neighing everytime Frau Blucher's name was spoken in Young Frankenstein. If you could answer this for me, even if it is just a simple running gag, I would be appreciative.
asked May 29, 2016 by Pappy
retagged Jun 19, 2016 by Solar Dragon (talk)

1 Answer

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There is no real meaning behind it, it's just a stock sound effect used when scenes in Evergreen Terrace are set up. Like the crow when the Power Plant is shown off etc.
answered Jun 19, 2016 by Solar Dragon (talk) (93,350 points)
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