First I found the photo. The black and white image was labeled simply, "Moses Williams playing the diddley bow: Waverly, Florida." What in the world is a diddley bow? And then I found a recording of ...

Bo Diddley, a singer and guitarist who invented his own name, his own guitars, his own beat and, with a handful of other musical pioneers, rock ‘n’ roll itself, died Monday at his home in Archer, Fla.