One way to learn something is to try to teach it. If you have a fuzzy knowledge of something, it has to be sharpened in order for you to teach it. And, as part of my How To Not Suck series, I need to get into talking about music. There's words for it, but there's also a written language, which I have a very fuzzy knowledge of. I want to sharpen it, and having to think things through and write about it will sharpen it.
So, I will want to be able to make images of staff notation. Unless there's a way to write it in HTML. So, please, are there good Free or Open or even just free ways I can write out something in musical staff? I'll more than likely be doing it on my work laptop (don't tell anyone) so XP-friendly choices are preferred, but not required.