A standard grand piano, but with the keys replaced by lifelike prosthetic human fingers; To play it, the pianist wears gloves which make your fingers look like piano keys.-- hippo, Aug 27 2012 The piano should play automatically via MIDI, or punched paper rolls, so that the pianist rests their square-gloved hands on the instrument and the prosthetics wiggle the human's fingers.-- pocmloc, Aug 27 2012 Aaaand with that anno, [pocmloc] takes this idea from merely grotesque to High Octane Nightmare Fuel.-- ytk, Aug 27 2012 What [ytk] said -- 8th of 7, Aug 27 2012 Excellent +-- xenzag, Aug 27 2012 random, halfbakery