This is awesome and goes right on my list together with https://www.kalzumeus.com/2010/06/17/falsehoods-programmers-believe-about-names/

Similar problems (and more) have been solved long ago by libraries, because the issues aren’t specific to music. More importantly, how does utf8 support count as a “horrible edge case” in 2022?

I was hoping to see Keygen Church in there. And I’m not disappointed.