Very fast guitar player

“Incredible solo“
His name I believe is Fernando Miyata. He can also be seen and heard here.

Robot guitar

Yes, Gibson announces robotic guitar–for real.
“…the unit will always be ready to rock in tune at the touch of a button. Using Gibson’s own Tune-o-matic bridge, the guitar can be tuned to one of seven presets. The default is the standard A440 setting, while others were based upon popular songs.” Robot Guitar: The Web Site.
Gibson [...]

Nano guitar

This little guitar–with emphasis on little–is ten years old. It’s the smallest guitar in the world. “It is…10 micrometers long — about the size of a single cell — with six strings each about 50 nanometers, or 100 atoms, wide. If it were plucked… the strings would indeed vibrate, although at inaudible frequencies.” Item is [...]