The beginnings of large metal and the devices used to make it can arguably be traced again to the early times of the electric powered guitar and the work carried out by inventors and innovators like George Beauchamp (inventor of the initial electrical guitar), Adolph Rickenbacker, Paul Barth, and Les Paul. With out their perform and the operate and the contributions of a great number of others guitars that you plugged in would not be a actuality and, in fact, if large metallic was ever designed it would have taken on a very various type.