Playing a piano involves pushing down on the right keys with the right force at the right time, but that could be pre-programmed well before computers. The self-playing piano in the saloon in Westworld wasn't a
huge anachronism, such things slightly overlapped with the Wild West era:
https://en.wikipedia.org/wiki/Player_pianoPicking up a 1mm thick metal disk from a flat surface requires the user gives the exact time, place, and force, and I'm not even sure what considerations it needs for surface materials (e.g. slightly squishy fake skin) and/or tip shapes (e.g. fake nails).
