Funny you should say that, as there is a direct line connecting player pianos in the 19th century to copyright law in the 21st: https://en.m.wikipedia.org/wiki

Funny you should say that, as there is a direct line connecting player pianos in the 19th century to copyright law in the 21st: https://en.m.wikipedia.org/wiki/Mechanical_license https://en.m.wikipedia.org/wiki/Mechanical_license