I’ve done another 5–10 seconds of visualization for William Blake’s Inn, hereinafter known as WBI.

 

So, yes, the stars are puppets, in the sense that they are held aloft by performers.  There are probably stationary stars in the backdrop, but these are mobile.  You’ll see why tomorrow.

Again, the music:

The event pictured above is from 0:10–0:15, approximately.