Roughly ten millennia ago, musicians didn't lug amps or guitars around to their shows—they lugged lithophones, or instruments made of resonant rocks. The oldest lithophones ever found will be played in their first public concert next week in Paris. Sadly, it'll also be their last.
We know that the rocks of Stonehenge were carried there from over 200 miles away, but we've never known why. Now, researchers say they believe it was for the special sonic qualities of a particular kind of stone—and that Stonehenge might have served as a bell-like instrument.