The effect of the vibrations is similar to that of high-pitched noise shattering glass.

BBC: Cell infected with HIV

In effect, you constantly risk becoming a part of, and only adding, to the noise.

FORBES: Move up http://i.forbesimg.com t Move down

"Hilariously, for me, it comes down to the sound of a duck quacking, which is a sound effect that was in my version, used as a bleep noise to cover up an expletive, " Coulton said.

CNN: Singer alleges 'Glee' ripped off his cover song