Oh, that's a nice bit of external validation! No personal bias from a random listener, so they have to have really liked it to ask for a score. And I think I'll pass along your suggestion for free notation software to some others who have been asking that question. I looked at their site, and it looks like Flat might be handy for many. Our kids use the notation function in Logic, or (free) MuseScore, but those may not be practical for everyone.

...pronounced like the long vowel and first letter of the alphabet...