And it won't just be classical, it will be all genres and all creative media. And it will probably take longer than three years. But it will happen.
Ever been to a craft show? An artist can sell a handmade bowl for $100 even though you can find an identical manufactured one at Target for $1.
Other examples: Chick-Fil-A markets their milkshakes as “hand spun”. Or when Dreamweaver started automating the layout of webpages, web devs started calling their websites “handmade”. It’s been possible to automate call centers for a long time now, but companies advertise the ability to speak to a human representative as a differentiating feature of their business.
There is value in having humans in the loop, despite automation. People just don’t trust robots.