The Mandalorian Theme | The U.S. Army Band

I will never forget taking my boys to the theater to see the first Star Wars movie at a time when we really couldn't afford it. They are Star Wars fans to this day

What's with the face masks with openings for musicians to play wind instruments? Every time I see something like this, I have wondered. Well, wonder no more. Here's a study to satisfy our curiosity...
https://onlinelibrary.wiley.com/doi/10.1111/ina.12869