Ever wonder what pre-dated Rock n' Roll and the Rolling Stones? A concert at the Science Museum of Minnesota on Friday evening may have the answer. The performance showcases one of the oldest types of instruments known to humans.
The 3,000 year-old instrument resembles a keyboard, but is made up of rocks. Heather Barringer, a percussionist with the musical group Zeitgeist will perform. Earlier, she let us in on her tricks for getting music out of stone.