It's a teletext-controlled music editor/tracker with powerful AI elements, made by Goto80 with assistance from Raquel Meyers.
It runs on any TV capable of displaying teletext, via Peter Kwan's vbit USB Teletext Inserter.
Rarely in my life have I ever seen something so fascinating and mesmerizing. I don't even know what on earth is going on for the most part. I'm just deeply impressed and speechless.