For me, it was definitely an education in being grateful. And appreciating the civil liberties we have today, the natural liberties we have at home. 
The danger in having modern music tied to a period piece is that hearing something may take you out of the moment.
I enjoy being surprised.
Regardless of the project, whenever you're working on something, the best you can hope for is to be around good people.
You go home happy, you go to work happy, you make a better project because everybody loves it and loves each other. 