I saw and heard my first contrabass clarinet yesterday. One of the clarinet players in the concert band that I play in picked it up and decided to play it with us. I didn't know such a thing existed. All silver (color, I don't know the finish material), looked and sounded very cool. It was huge. He had to sit on a high stool to play it. I am pretty sure he played bass clarinet part, but don't hold me to that. That must be the oddest piece in our 70+ piece band. Very cool.