The idea behind a ★★★ Magical Orchestra ★★★ is that you go to
http://my-ip:8080/client.html, and then you get a page that looks like
Then a sound plays on my computer! Like a crow, or a cowbell.
So at presentations we plugged my computer into a speaker and let everyone make noise. It was delightful.
If you are so inclined, you can have your very own magical orchestra
by cloning the repo above, installing Leinengen, and running