This fills me with joy; I was itching to write a similar blog post.

Quoting article above:

  Music is an abstract medium — the printed note requires 
  interpretation and execution. Like the written line of 
  code, there is often much more than meets the eye.

Sonic Pi looks great! Thanks for the suggestion! Overtone looks interesting, but Sonic Pi being ruby seems more approachable/easier to install and run.

fitting pieces together and not breaking the invariant and relationship between them ? #harmony

Same for music. There are a handful of famous composers who get paid to just do their thing, but for everyone else the gigs are "give me a 70 second song that sounds like X and has a big dramatic peak at the 55 second mark, due Friday".