Back then you couldn't even look at the eardrum.

You want to keep your mouth open, so your eardrums don't burst from the pressures.

It's acoustic vibrations in the air, little waves of energy in the air that tickle our eardrum.

Vibration of the diaphragm caused a needle to vibrate in the water, varying the electrical resistance in the circuit.

In 1536, he began to suffer from kidney and bladder stones, and arthritis, and an ear infection ruptured an ear drum.

And so we began our lessons every single time tuning drums in particular, the kettle drums, or tympani to such a narrow pitch interval, so something like ...

Somehow in tickling our eardrum that transmits energy down our hearing bones, which get converted to a fluid impulse inside the cochlea and then somehow converted into an electrical signal in our auditory nerves that somehow wind up in our brains as a perception of a song or a beautiful piece of music.