Take a Sonic Tour of the Brain
Duncan J Murray writes "Currently exhibiting at The Barbican, London is an exhibit on Neuroscience, which includes this 20-minute auditory exhibit looking at (or should that be listening to) — sounds of neurons firing, simulations of cochlear implants, the mosquito frequency, neverending scales, phantom words and speech reconstructed from intracranial electrophysiological recording, as well as other auditory illusions. It is worth a listen."
...supplied in an mp3 file with 16kHz cutoff.