Yamaha's smart pianos work with Alexa and teach you how to play
 

Of the many things we expected to see at IFA 2017, cutting-edge instruments weren't one of them. But Yamaha is using its time in Berlin to showcase the Clavinova all-electric, smart pianos, which use an iOS device and LEDs above each key to teach you...

https://www.engadget.com/2017/09/03/...lexa-ifa-2017/