Semi-OT: Prehistoric looping?

Has anyone done any music using singing stones?

peace,

plish

Follow-Ups:
- Re: Semi-OT: Prehistoric looping?
  - From: "Kevin Cheli-Colando" <billowhead@gmail.com>
- Re: Semi-OT: Prehistoric looping?
  - From: Chris Sewell <midifriedchicken@comcast.net>
- Re: Semi-OT: Prehistoric looping?
  - From: "Per Boysen" <perboysen@gmail.com>
- Re: Semi-OT: Prehistoric looping?
  - From: andy butler <akbutler@tiscali.co.uk>
- Re: Semi-OT: Prehistoric looping?more PerBoysen music?
  - From: andy butler <akbutler@tiscali.co.uk>

References:
- New/Old loop improv/sci fi short story amimation lives again!
  - From: "Jeff Duke" <jeff_d@embarqmail.com>