The trumpet and the clarinet have many similarities and differences. Similarities Both the clarinet and the trumpet are instruments that make sound. That is a pretty obvious point. Another thing that is the same about them is that they both have at least two parts. The clarinet has two body parts, a bell, a barrel, and a mouthpiece. That adds up to five parts. The trumpet has two parts. The mouthpiece, and the body. That means that both instruments have at least two parts. Another thing that is the same between the trumpet and the clarinet is that both instruments use mouth pieces. In fact, all instruments use mouth pieces. The trumpet mouthpiece looks different from the clarinets (see left). One last thing that is the same between