This is just Google practicing for its next big keynote. They are planning to open the show with two Boston Dynamics robots playing a life-sized keyboard like in that scene from Big.

Latest from AI Experiments by Google The computer system automatically riffs off what you play! Give it a go, it is Friday after all. VentureBeat covered it here

Can't wait to see someone like Jon Batiste jam with this!

What a great project...I can totally see this as a great launchpad to get kids excited about music to help spark their creative thinking.

I like this. It's similar to the experience I get, when I try to play piano with my friend's 2 year old son :-)

Nice experiment. Great work.

Awesome work, and great job with the open sourced code

Hell yes! I've been advancing myself in music and coding and this is a great project to discover. Thanks for making it open source!