Would it be appropriate for me run completely different lyrics to the tune?
Yes, as long as you don`t change the topic completely. e.g, describing how you failed as a lover at your last date. etc.
accessible pronunciation guide that helps with phonics?
Google translate and press the sound icon.
falconry seems to have quite rich history within Poland,
Yes!
As a child, one of the books in our home library I extremely liked due to its colourful illustrations was the book on hunting in the past Poland. This picture was on the cover:
sokoly.jpg