Comment by Schroedingers_hat on Harry Potter and the Methods of Rationality discussion thread, part 15, chapter 84 · 2012-04-25T17:39:44.287Z · LW · GW

I couldn't help myself. I had to have a go at making it, too.
http://jsfiddle.net/GVTk2/

Didn't check it on anything other than chromium, and I can't guarantee it won't eventually use all your memory and crash.
It's horrible in many ways: switches key, misses the frequency of notes, changes from 2^(1/12) ratio between semitones, pauses at random and changes note length.

Take a listen, there's always a chance it'll stop :D

/edit ambiguity. Come to think of it, skipping notes is the one thing I didn't do. Note that it starts reasonably close to being in tune and slowly degrades.