[error99]

"...What if stalactites could talk? If these icicle-shaped mineral deposits somehow preserved the sound waves that impinged on them as they grew, drop by drop, from the ceilings of caves..."
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Yes, but all we would hear would be that incessant:
drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip, drip...

[HiTech RedNeck]

I bet that there is so much chaos involved in how the drips hardened, and the effects of the sound vibrations on the process so minute, that to glean any information about individual sound vibrations from it would be impossible. Even if one could somehow analyze the position of enough of the molecules of the stalagmites and stalactites. Just like we wouldn't expect to be able to play back a phonograph recording done not in wax but in vaseline.