The music thing is just tracking. You record a track, then someone else downloads it and records themselves on top of that track, then someone else downloads th

The music thing is just tracking. You record a track, then someone else downloads it and records themselves on top of that track, then someone else downloads that… repeat for a whole choir if so desired. These sessions could be separated by hours or weeks. In the studio world they often are. The innovation here was to accelerate this process and make it happen with delays of hundreds of milliseconds to several seconds, instead. There’s no cheating the physics or the underlying network. You can’t interact with the “inner” musicians as the data only flows one way.