Bone Shaker from Fibreations! by Harry Lieben

EXTREME VIBRATIONS and standing waves. The paulstretch effect enhances the deep voice. You can interprete the title literally. It's Voice Lab tested and harmless at low volume, but..... When you turn the volume up, pleasant "bone-shaking" becomes "house demolition". The reverberations from the deep sound waves are hefty at times and especially some flat surfaces may join in, which can be truly annoying. Then again, if you want to try being rattled by different music than metal, then this is just the ticket.
Do you have really good earphones? Wonderful, this is your chance to test how low a frequency it can do. I have only nudged down frequencies below 20Hz and even those just a bit. (DISCLAIMER: medium to high volume setting is not Voice Lab tested, because the professor values his ear drums). Because of the paulstretch, I seemingly take few breaths. The pitch is unchanged!

Note; My intention was to sing a song for babies. How did it come to this? It sounds like a man singing in a cave filled with rattlesnakes. Not a good place for a baby, so I was told. But purely for scientifical advancement.... no, no, I must not ask that from parents.

The first instrument of man is the voice. The first amplifier, a cave. For a caveman, there is no middle of the road.

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