On Fri, 20 Mar 2020, Larry McVoy wrote:

>> Bach's prelude in C major from Well-Tempered Clavier book I, written in
>> pure (GNU) sed: https://github.com/laserbat/bach.sed
>
> If someone understands how this all works, my less capable brain would
> love an explanation.  My dad and my kid have told me that classical
> music is math but I've never seen it.  Seems like this is probably
> the example I need.

"Gödel, Escher, Bach: An Eternal Golden Braid" by Douglas Hofstadter would 
be a good introduction too.

-- Dave