At long last, the player piano does multi-room audio

 We all knew in our hearts that, if we just waited long enough, the internet of things would come around to self-playing piano. That surely the cloud would incorporate that last vestige of ole timey technology. And now, here at IFA, the least portable of home audio systems has finally gone multi-room. Or, as Yamaha opens its decidedly hyperbolic press release, “For the first time in…