How Does Music Speak What Words Cannot?

Man striking stalactite formation with his knuckles to produce musical notes Image via Wikipedia

From Denny: Definitely qualifies as weird but interesting! This photo takes the cake on what you can utilize to make music AND its a natural substance, standing ready to be played. You sure can't buy this musical instrument in any music shop! :) How did this guy ever figure out he could make music from this place?

"Music expresses that which cannot be put into words and that which cannot remain silent." - Victor Hugo