As you can see from the photo, my first Mouthpiece Buzzing Adapter was assembled many years ago, long before the more popular ones came on the market. I ran across mine this morning by accident and thought it would be an interesting project for you do-it-your-selfers out there. As close as I can remember, I put this one together about 30 years ago out of old trumpet parts. At that time, it was the only one that I knew of and it worked very well, and still does. There are commercially designed and manufactured models of the basic concept and…