MuseScore Google blurb
This isn't documentation per se, but this seemed a good place to post it.
When you Google musescore, you see:
> Create, playback and print beautiful sheet music with free and easy to use
> music notation software MuseScore. For Windows, Mac and Linux.
That should be play back (two words). playback (one word) is a noun. (E.g.: "Now we'll hear the playback.")
This is the first official reference to MuseScore that most people see, so I thought it was worth mentioning.