Here it is:
Dropbox - Error - Simplify your life
Explanation:
It's an innocent MeowMix jingle we all remember, but interspersed in the file is a double sine wave that's designed to hit the edges of the side bands on a uLaw audio stream. It also works well on GSM encoding streams.
There's a lot of Indians still answering on analog phones or using ATAs which the sine wave is guarantee to burn the cilia in your ear.
Enjoy.