Yes, robots will likely replace humans as musicians one day. In fact, robots will replace many jobs across a number of industries and it's been happening for years with Industrial Automation. read more
A human operator could crank one of these machines, like giant music box, and it was used to pipe music over an entire town, operated by a non-musician. A German named Athanasius Kircher, who was a DaVinci-like scholar and writer, wrote a book in Rome in 1650 called Musurgia Universalis that explained all about mechanical music of the day. read more