Hello,
What a fantastic project you're working on!
I have some experience with hand caligraphy, but I belive I could provide a better quality result using computer typography, individually placing the letters, and creating the scrolls by hand in Illustrator, you'll end up with a cleaner final product, with better scaleability for use both on the pianoforte and on possible printed information and websites which may at some point in time be needed.
Although new to freelancing, I have over 30 years experience in the graphics field, and would certainly be happy to work on your project!
I'm also a low level piano player, and think your project is exciting!
Daria Lacy