So, can you guess what I've photographed here? Is it an ancient piece of Aztec civilisation? No, it's a very common object. If you're thinking that the grain suggests wood, you're on the right track.
They're here, there and everywhere. Or maybe that should be "hear, there and everywhere". They're sound investments - literally. But you knew that already, didn't you?
I'll end the post now - while my guitar gently weeps.