The orchestral brass instruments are the trumpet, French horn, trombone, and tuba. As with the woodwinds, the number of each of these instruments varies depending on the size of the orchestra and the piece being played. There are usually two to five each of trumpets, horns, and trombones, and one or two tubas.:)
I’m thinking, maybe symmetrical.
Answer
It is called a Hot Shoe.
Explanation:
Every digital SLR camera has a connector on the top of the camera called a hot shoe: this is the most common and obvious way to connect an external flash unit to the camera.
Art Criticism is the answer
